Signs Your Shih Tzu Is Sick, In Pain, or Uncomfortable (Complete Health Guide)

The Complete Guide to Recognizing When Your Shih Tzu Needs Help

Dogs cannot tell us when something is wrong—but their bodies and behavior show clear warning signs if you know what to look for. Missing these signs can mean the difference between a simple treatment and a life-threatening emergency. This comprehensive guide combines illness symptoms, silent pain signals, and body language cues into one resource so you never miss a critical warning.

Watch the complete video above to learn more about recognizing health issues in Shih Tzus.

---

---

Quick Navigation

Part 1: Warning Signs Your Shih Tzu Is Sick

1. Lethargy and Decreased Energy
2. Loss of Appetite or Changes in Eating Habits
3. Respiratory Issues: Coughing and Sneezing
4. Eye Problems and Changes
5. Wheezing and Difficulty Breathing
6. Abnormal Discharge from Eyes, Nose, or Ears
7. Vomiting and Diarrhea
8. Excessive Thirst and Urination
9. Coat and Skin Changes
10. Bad Breath and Dental Problems
11. Mobility Problems and Lameness

Part 2: Silent Signs of Pain

12. Respiratory Sounds and Tracheal Collapse
13. Ocular Abnormalities and Eye Disease (In-Depth)
14. Neurological Warning Signs: Head Pressing
15. Behavioral Changes: Withdrawal and Hiding
16. Changes in Water Consumption and Eating Patterns (In-Depth)
17. Dermatological and Coat Changes (In-Depth)
18. Mobility Impairment and Spinal Disease (In-Depth)

Part 3: Body Language and Discomfort Signals

19. Avoidance Behavior
20. Growling and Defensive Vocalization
21. Tail Position and Movement
22. Eye Contact Avoidance
23. Decreased Play Interest
24. Touch Sensitivity and Flinching
25. Excessive Vocalization
26. Lip Licking, Yawning, and Other Displacement Behaviors
27. Trembling and Shaking
28. Aggressive Displays
29. Additional Discomfort Indicators

When to Seek Veterinary Care

---

Part 1: Warning Signs Your Shih Tzu Is Sick

Every year, thousands of Shih Tzus suffer from health problems their owners did not recognize early enough. This section covers the most common illness symptoms to watch for—from lethargy and appetite loss to respiratory distress and mobility problems.

---

1. Lethargy and Decreased Energy

Understanding Normal Energy Levels

Adult Shih Tzus typically sleep 12-14 hours per day, while puppies may sleep 18-20 hours. Between sleep periods, healthy Shih Tzus are usually alert, playful, and interested in their surroundings.

What Constitutes Lethargy?

Lethargy is more than just being tired. It refers to a noticeable decrease in energy, responsiveness, and interest in normal activities. A lethargic dog may:

• Show no interest in walks, toys, or playtime
• Sleep significantly more than usual
• Appear weak or unsteady when moving
• Respond slowly or not at all to stimuli
• Have difficulty getting up or climbing stairs

Why It Matters

Lethargy is one of the most common early indicators of illness in dogs. It can be associated with numerous conditions including infections, anemia, heart problems, organ dysfunction, pain, or metabolic disorders.

Action Steps

Monitor your Shih Tzu’s activity patterns daily. If lethargy appears suddenly or persists for more than 24 hours, contact your veterinarian. Combined with other symptoms like loss of appetite or vomiting, lethargy warrants immediate veterinary attention.

---

2. Loss of Appetite or Changes in Eating Habits

Normal Eating Patterns

Most Shih Tzus are enthusiastic eaters with consistent appetite patterns. Adult dogs typically eat twice daily, though individual preferences vary.

Warning Signs

• Complete refusal to eat for more than 12-24 hours
• Only eating treats but refusing regular food
• Eating significantly less than normal
• Showing interest in food but not eating
• Chewing on one side of the mouth — protecting painful teeth on the other side
• Picking up food and dropping it before eating — testing whether chewing will hurt
• Taking noticeably longer to finish meals
• Preferring soft treats over usual kibble
• Difficulty chewing or swallowing

Underlying Causes

Loss of appetite (anorexia) in dogs can indicate dental problems, gastrointestinal issues, kidney or liver disease, infections, pain, or stress. In Shih Tzus specifically, dental disease is particularly common due to their small mouths and crowded teeth.

When to Seek Veterinary Care

If your Shih Tzu refuses food for more than 24 hours, or if appetite loss is accompanied by other symptoms, contact your veterinarian. Puppies and senior dogs have less metabolic reserve and should be evaluated more quickly.

💡 Key Insight: “Shih Tzus are prone to dental disease due to crowded teeth. If your dog shows interest in food but won’t eat, check for signs of mouth pain—this requires same-day veterinary attention.”

---

3. Respiratory Issues: Coughing and Sneezing

Breed-Specific Considerations

Shih Tzus are brachycephalic dogs, meaning they have shortened skulls and flat faces. This anatomy makes them more susceptible to respiratory problems than many other breeds. Their compressed airways can make breathing less efficient, particularly during exercise or in hot weather.

Types of Respiratory Symptoms

Coughing:

• Dry, hacking cough may indicate tracheal irritation or heart problems
• Wet, productive cough may suggest respiratory infection
• Honking sound may indicate collapsing trachea (common in small breeds)

Sneezing:

• Occasional sneezing is normal
• Frequent sneezing with discharge suggests upper respiratory infection
• Reverse sneezing (rapid inward snorting) is common in Shih Tzus and usually benign

Emergency Warning Signs

Seek immediate veterinary care if your Shih Tzu shows:

• Labored breathing with chest movement
• Blue or pale gums
• Gasping or choking
• Inability to settle or rest due to breathing difficulty

---

4. Eye Problems and Changes

Why Shih Tzus Are Vulnerable

Shih Tzus have large, prominent eyes that are more exposed to injury and irritation than the eyes of dogs with deeper-set eyes. Their facial structure also means their eyes may not close completely during sleep, leading to dryness.

Common Eye Problems in the Breed

Corneal Ulcers: Scratches or injuries to the eye surface, which can occur from hair irritation, foreign objects, or trauma

Dry Eye (Keratoconjunctivitis Sicca): Inadequate tear production leading to irritation and potential scarring

Eye Infections: Bacterial or viral infections causing redness, discharge, and discomfort

Proptosis: In severe trauma, the eyeball can actually displace from the socket (emergency)

Warning Signs

• Redness or bloodshot appearance
• Swelling around the eye
• Cloudiness or change in eye color
• Thick yellow or green discharge
• Excessive tearing
• Squinting or keeping the eye closed
• Frequent pawing at the face

Immediate Action Required

Eye problems can deteriorate rapidly. Contact your veterinarian the same day you notice symptoms. Never attempt to treat eye problems at home without veterinary guidance.

⚠️ Critical Warning: “Eye problems in Shih Tzus can deteriorate within hours. Any redness, discharge, or squinting warrants same-day veterinary attention—corneal ulcers left untreated can cause permanent vision loss.”

---

5. Wheezing and Difficulty Breathing

Recognizing Respiratory Distress

Normal breathing in dogs should be quiet and effortless. Signs of respiratory distress include:

• Audible wheezing or whistling sounds
• Rapid breathing (more than 30-40 breaths per minute at rest)
• Open-mouth breathing while resting
• Extended neck and elbows positioned away from body
• Restlessness and inability to get comfortable

Causes in Shih Tzus

Brachycephalic breeds like Shih Tzus can develop Brachycephalic Obstructive Airway Syndrome (BOAS), which causes breathing difficulties due to anatomical abnormalities. Other causes include:

• Allergic reactions
• Heart disease
• Pneumonia or lung infection
• Foreign body obstruction
• Collapsing trachea

Emergency Protocol

Difficulty breathing is always a veterinary emergency. If your Shih Tzu shows signs of respiratory distress, remain calm (stress worsens breathing), keep them cool, and transport them to an emergency veterinary clinic immediately.

---

6. Abnormal Discharge from Eyes, Nose, or Ears

Normal vs. Abnormal Discharge

Small amounts of clear discharge from eyes or nose can be normal. Abnormal discharge is typically:

• Thick rather than watery
• Colored (yellow, green, or brown)
• Foul-smelling
• Persistent or increasing
• Associated with other symptoms

Common Causes

Eye discharge: Infections, blocked tear ducts, allergies, or ulcers

Nasal discharge: Upper respiratory infections, allergies, dental disease, or foreign objects

Ear discharge: Ear infections (very common in Shih Tzus due to their floppy ears and hair in ear canals)

Veterinary Evaluation

Don’t clean away all discharge before your vet appointment—veterinarians need to see the discharge to properly diagnose the problem. Document the color, consistency, and amount if possible.

✓ Quick Checklist: Is It Normal Discharge?

• Clear and minimal? → Likely normal
• Thick, colored, or smelly? → Contact vet
• Getting worse over 24 hours? → Same-day appointment needed
• Accompanied by other symptoms? → Don’t wait—call today

---

7. Vomiting and Diarrhea

Occasional vs. Concerning

Dogs sometimes vomit from eating too quickly, minor dietary indiscretions, or hairballs. Similarly, occasional soft stools happen. However, concerning signs include:

For Vomiting:

• Multiple episodes within hours
• Projectile vomiting
• Blood in vomit (red or coffee-ground appearance)
• Accompanied by lethargy or pain
• Unable to keep water down

For Diarrhea:

• Liquid diarrhea
• Blood or mucus present
• Black, tarry stools (indicates upper GI bleeding)
• Lasting more than 24 hours
• Accompanied by vomiting

Dehydration Risk

Small dogs like Shih Tzus can become dehydrated quickly from fluid loss. Check hydration by gently pulling up skin on the neck—it should snap back immediately. Delayed skin return, dry gums, or sunken eyes require immediate veterinary care.

---

8. Excessive Thirst and Urination

Normal Water Intake

Dogs typically drink approximately 0.5-1 ounce of water per pound of body weight daily. A 15-pound Shih Tzu might drink 7-15 ounces (about 1-2 cups) per day, though this varies with activity level, diet, and weather.

Polydipsia and Polyuria

Excessive drinking (polydipsia) and urination (polyuria) often occur together and can indicate serious conditions:

• Diabetes Mellitus: Inability to properly process glucose
• Kidney Disease: Reduced ability to concentrate urine
• Cushing’s Disease: Excess cortisol production
• Pyometra: Uterine infection in unspayed females
• Liver Disease: Impaired liver function

Monitoring and Documentation

Track water intake for a few days by measuring how much water you provide and how much remains. Also note urination frequency. This information helps your veterinarian diagnose the problem.

💡 Key Insight: “If your Shih Tzu suddenly starts draining their water bowl multiple times daily and having frequent accidents, don’t assume it’s behavioral. Excessive thirst often signals serious metabolic conditions requiring immediate blood work.”

---

9. Coat and Skin Changes

The Shih Tzu Coat

Shih Tzus have a double coat that requires regular grooming. A healthy coat should be shiny, full, and relatively smooth (though texture varies). Healthy skin should be pink or light-colored without excessive flaking or odor.

Warning Signs

• Dull, brittle, or thinning coat: May indicate nutritional deficiencies, hormonal imbalances, or systemic illness
• Hair loss or bald patches: Can result from allergies, parasites, infections, or endocrine disorders
• Excessive scratching or licking specific areas: Often assumed to be allergies, but chronic pain manifests as focused licking behavior—joint pain in the carpus or hock leads to obsessive licking of that area, while hip or lower back pain shows up as licking the base of the tail or back legs. Your dog is not creating a problem—she is trying to fix one that already exists underneath
• Hot spots: Red, moist, painful areas from self-trauma due to itching
• Skin discoloration: Redness, blackening, or unusual pigmentation
• Odor: Unusual or foul skin smell may indicate infection

Common Skin Issues in Shih Tzus

This breed is prone to allergies (environmental and food), sebaceous adenitis (inflammatory skin disease), and skin fold dermatitis in facial folds. Regular grooming and veterinary care help manage these conditions.

---

10. Bad Breath and Dental Problems

Understanding Canine Dental Disease

Dental disease is one of the most common health problems in dogs, particularly small breeds like Shih Tzus. Their small mouths and crowded teeth make them especially vulnerable to plaque buildup and periodontal disease.

Stages of Dental Disease

Dental problems progress through stages:

1. Plaque formation: Soft bacterial film on teeth
2. Tartar buildup: Hardened plaque (visible as brown/yellow coating)
3. Gingivitis: Inflamed, bleeding gums
4. Periodontal disease: Infection damaging tooth roots and jaw bone

Why It’s Serious

Dental disease is not just about bad breath. Bacteria from infected teeth can enter the bloodstream and affect the heart, liver, and kidneys. Severe dental disease causes pain, difficulty eating, and tooth loss.

Prevention and Treatment

• Daily teeth brushing with dog-safe toothpaste
• Dental chews and toys
• Professional dental cleanings under anesthesia as recommended
• Regular veterinary dental examinations

---

11. Mobility Problems and Lameness

Normal Movement vs. Impairment

Healthy Shih Tzus move freely without limping, favoring limbs, or showing signs of pain when walking, running, or climbing. Mobility problems may appear as:

• Limping or favoring one leg
• Stiffness, especially after rest
• Difficulty standing up or lying down
• Reluctance to use stairs or jump
• Hesitation before jumping on the couch — she’s calculating whether the movement is worth the discomfort it will cause
• Going up stairs quickly but coming down slowly, or developing a small hop on the last step
• Bunny-hopping gait (back legs moving together)
• Crying out when moving

Common Causes

Acute injuries: Sprains, strains, fractures, or ligament tears

Patellar Luxation: Kneecap slipping out of place (common in small breeds)

Intervertebral Disc Disease (IVDD): Spinal disc problems causing pain or paralysis

Arthritis: Joint degeneration, more common in older dogs

Hip Dysplasia: Abnormal hip joint development

Emergency Situations

Sudden inability to walk, especially in the hind legs, may indicate IVDD or other spinal problems requiring emergency care. Never give human pain medications—many are toxic to dogs.

⚠️ Emergency Alert: “Sudden hind leg paralysis in Shih Tzus can indicate IVDD (slipped disc). This is a medical emergency—every hour counts for potential recovery. Rush to emergency vet immediately.”

---

Part 2: Silent Signs of Pain

Dogs hide pain instinctively to avoid looking weak. By the time most owners notice something is wrong, the condition has often progressed to a serious stage. This section dives deep into the silent pain signals that require you to look closer—including detailed clinical information on breed-specific conditions.

Watch these videos for more details on the silent pain signals most owners miss:

---

12. Respiratory Sounds and Tracheal Collapse

Anatomical Basis

Tracheal collapse represents progressive deterioration of the cartilaginous rings supporting the windpipe. In Shih Tzus and other small breeds, these rings contain less rigid cartilage compared to larger breeds. Over time, the rings weaken and flatten, reducing airway diameter and compromising respiratory function.

Clinical Presentation

Characteristic Honking Cough: The hallmark symptom produces a harsh, goose-like honking sound during breathing. This occurs when flattened tracheal rings vibrate during airflow, particularly during:

• Exercise or excitement
• Drinking water
• Pressure on the neck from collars
• Hot or humid weather
• Stress or anxiety

Disease Progression: Tracheal collapse follows a grading system (I-IV) based on severity:

• Grade I: 25% lumen reduction, minimal symptoms
• Grade II: 50% reduction, exercise intolerance
• Grade III: 75% reduction, frequent coughing, respiratory distress
• Grade IV: Near-complete collapse, life-threatening respiratory compromise

Differential Diagnosis: Reverse Sneezing

Reverse sneezing (inspiratory paroxysmal respiration) commonly occurs in brachycephalic breeds and differs significantly from tracheal collapse:

Reverse Sneeze Characteristics:

• Rapid, repetitive snorting inhalations
• Episodes lasting 10-60 seconds
• Resolves spontaneously
• Caused by soft palate irritation or nasal passage inflammation
• Generally benign, requiring no treatment

Tracheal Collapse Characteristics:

• Sustained, harsh honking sounds
• Occurs during physical activity or stress
• Progressive worsening over time
• May cause respiratory distress
• Requires veterinary intervention

Treatment Protocols

Medical Management:

• Weight reduction to decrease respiratory demand
• Harness use instead of neck collars
• Cough suppressants (hydrocodone, butorphanol)
• Bronchodilators for airway dilation
• Anti-inflammatory medications
• Environmental modifications (humidifiers, avoiding smoke/allergens)

Surgical Intervention: Reserved for severe cases (Grade III-IV), options include:

• Intraluminal stenting placement
• Extraluminal prosthetic ring placement

⚠️ Critical Warning: “If your Shih Tzu’s honking cough occurs more than once weekly or causes breathing difficulty, don’t wait. Tracheal collapse is progressive—early intervention with weight management and medical treatment can prevent life-threatening respiratory emergencies.”

---

13. Ocular Abnormalities and Eye Disease (In-Depth)

Anatomical Vulnerabilities

Shih Tzus possess prominent, protruding eyes with shallow orbits—anatomical features creating multiple ocular risks:

• Increased exposure: Greater surface area vulnerable to trauma and environmental irritants
• Inadequate protection: Limited eyelid coverage, particularly during sleep
• Tear film instability: Brachycephalic breeds often produce insufficient tear production
• Nasolacrimal duct compression: Facial structure impairs tear drainage

Common Ocular Conditions

Corneal Ulceration: The cornea (clear front surface of the eye) can develop ulcers from trauma (scratches from hair, grass, foreign objects), chronic dry eye, eyelash abnormalities (distichiasis, ectopic cilia), or chemical irritants.

Clinical Signs:

• Squinting (blepharospasm)
• Excessive tearing (epiphora)
• Cloudiness or opacity
• Red, inflamed conjunctiva
• Pawing at the eye
• Photophobia (light sensitivity)
• Green or yellow discharge

Keratoconjunctivitis Sicca (Dry Eye): Inadequate tear production causes thick mucoid discharge (especially morning), dull corneal appearance, conjunctival redness, squinting, and corneal pigmentation in chronic cases.

Progressive Retinal Atrophy (PRA): Genetic condition causing gradual vision loss—night blindness initially, progressive day vision deterioration, dilated pupils, and eventually complete blindness.

Cataracts: Lens opacity causing vision impairment—cloudy white appearance in pupil, difficulty navigating in dim light, bumping into objects, genetic or age-related development.

Emergency Indicators

Seek immediate veterinary care for:

• Sudden vision loss
• Bulging or protruding eye (proptosis)
• Deep eye pain (holding eye closed)
• Rapid deterioration
• Penetrating injury

💡 Key Insight: “Shih Tzus’ prominent eyes make them uniquely vulnerable to corneal ulcers. Any squinting, cloudiness, or green discharge warrants same-day veterinary care—untreated ulcers can cause permanent vision loss within 48 hours.”

---

14. Neurological Warning Signs: Head Pressing

Clinical Definition

Head pressing represents a specific neurological sign where dogs compulsively press their forehead against fixed surfaces (walls, floors, furniture) and maintain pressure for extended periods. This differs entirely from normal head resting or seeking cool surfaces.

Underlying Pathophysiology

Head pressing indicates increased intracranial pressure, hepatic encephalopathy, or brain dysfunction. Conditions causing this sign include:

Hydrocephalus (Water on the Brain):

• Abnormal cerebrospinal fluid accumulation
• Congenital or acquired
• Common in toy breeds including Shih Tzus
• Causes brain compression and damage

Hepatic Encephalopathy:

• Liver disease or portosystemic shunts
• Toxic metabolites (ammonia) crossing blood-brain barrier
• Altered mental status, circling, seizures

Brain Tumors:

• Primary or metastatic neoplasia
• Progressive neurological deterioration
• Age-related increase in frequency

Infectious/Inflammatory Brain Disease:

• Encephalitis (various causes)
• Meningitis
• Fungal or parasitic infections

Toxic Exposures:

• Lead poisoning
• Other neurotoxins
• Medication reactions

Associated Neurological Signs

Head pressing rarely occurs in isolation. Concurrent symptoms include:

• Altered mentation (confusion, disorientation)
• Circling or pacing behavior
• Seizure activity
• Vision changes
• Ataxia (uncoordinated movement)
• Behavior changes (aggression, withdrawal)
• Inappropriate vocalization
• Loss of learned behaviors

🚨 Emergency Alert: “Head pressing is NEVER normal behavior. If your Shih Tzu compulsively presses their head against walls or floors and holds it there, this signals brain dysfunction or liver failure. Rush to an emergency vet immediately—every hour matters.”

---

15. Behavioral Changes: Withdrawal and Hiding

Normal Shih Tzu Temperament

Shih Tzus demonstrate characteristic personality traits including strong desire for human companionship, friendly demeanor, playful engagement, affectionate physical contact seeking, and alert interest in household activities. Significant deviation from these baseline behaviors warrants investigation for underlying pain or illness.

Pain-Induced Behavioral Modifications

Becoming Clingy (Mild Pain): A Shih Tzu experiencing mild discomfort will often become more clingy—following you everywhere, even to the bathroom—because you represent safety and comfort. Most owners think “she’s just being more affectionate with age,” but this sudden behavior shift is actually her way of seeking reassurance that something feels wrong.

Social Withdrawal (Significant Pain): Dogs experiencing more significant pain reduce social interaction to prevent painful touch or movement, conserve energy for healing, avoid situations triggering discomfort, and follow instinct to isolate when vulnerable. A Shih Tzu in real pain may withdraw because she’s trying to rest and recover undisturbed.

The Problem: Both clingy and withdrawn behaviors look like normal personality quirks. If you’ve caught yourself saying “she’s just having an off day,” this is exactly how these early pain signals get overlooked for weeks or even months.

Hiding Behavior: Seeking enclosed, isolated spaces indicates significant discomfort, feeling vulnerable due to pain or illness, or attempting to create a safe environment for recovery.

Sleep Pattern Changes as a Pain Indicator

One of the most overlooked pain signals is changing sleep habits. A Shih Tzu in chronic discomfort will constantly adjust trying to find relief:

• Switching from soft bed to cool tile floor — could indicate joint inflammation; she’s seeking the cooling effect of hard surfaces
• Frequent position changes at night — often the first sign of arthritis or spinal discomfort
• Sleeping significantly more during the day — pain exhausts the body even without physical activity
• Sleeping in unusual new spots — searching for positions that reduce pressure on painful areas

A dog who slept soundly for six hours and now wakes up every hour to shift around is experiencing enough discomfort that she cannot settle. This is not restlessness—it’s pain management.

Common Pain Sources in Shih Tzus

Dental Disease: Periodontal disease affects 80% of dogs by age three, with small breeds demonstrating even higher prevalence. Crowded teeth in compact jaws create ideal conditions for bacterial accumulation. Signs include halitosis, reluctance to eat hard food, dropping food while eating, facial swelling, and pawing at mouth.

Arthritis (Osteoarthritis): Degenerative joint disease develops from normal wear-and-tear aging, previous injuries, joint instability, or obesity. Symptoms include difficulty rising after rest, stiffness improving with movement, reluctance to climb stairs, decreased activity level, and muscle atrophy.

Gastrointestinal Pain: Abdominal discomfort from gastritis, pancreatitis, foreign body obstruction, or inflammatory bowel disease. Indicators include hunched posture, reluctance to move, loss of appetite, vomiting or diarrhea, and prayer position (chest down, rear elevated).

✓ Quick Checklist: Is My Shih Tzu Hiding Pain?

• Suddenly avoiding interaction? → May indicate discomfort when touched
• Hiding in unusual places? → Common pain response in companion dogs
• Personality change over 2-3 days? → Warrants immediate vet check
• Lost interest in favorite activities? → Sign of chronic pain or illness

---

16. Changes in Water Consumption and Eating Patterns (In-Depth)

Polydipsia and Polyuria (Increased Thirst and Urination)

Excessive water consumption paired with increased urination indicates potential systemic disease. Normal water intake approximates 20-70 ml per kilogram body weight daily. Consumption exceeding this range warrants investigation.

Differential Diagnoses

Chronic Kidney Disease: Kidneys lose concentrating ability, causing increased urine production, compensatory increased water intake, progressive renal function decline, and accumulation of metabolic waste products. Often asymptomatic until 75% of kidney function is lost. Early detection through routine bloodwork and urinalysis proves critical for intervention.

Diabetes Mellitus: Insufficient insulin production or insulin resistance causes hyperglycemia, glucose spillage into urine, osmotic diuresis, and dehydration triggering excessive drinking. Associated signs include polyphagia (increased appetite) with weight loss, cataracts, recurrent urinary tract infections, and weakness.

Cushing’s Disease (Hyperadrenocorticism): Excess cortisol production from pituitary tumor (most common), adrenal tumor, or chronic steroid medication use. Clinical features include pot-bellied appearance, symmetrical hair loss, thin skin, muscle weakness, panting, and increased appetite.

Anorexia and Decreased Appetite

Loss of appetite signals illness or pain. For Shih Tzus, dental disease represents the most common cause. Dental pain indicators include approaching food but not eating, preferring soft over hard food, eating slowly, chewing on one side, and dropping food.

---

17. Dermatological and Coat Changes (In-Depth)

Integumentary System as Health Indicator

Skin and coat condition reflect overall health status. Changes often indicate underlying systemic disease, hormonal imbalances, or allergic conditions causing chronic discomfort.

Hypothyroidism

Thyroid hormone deficiency affects multiple body systems. Shih Tzus demonstrate moderate breed predisposition.

Dermatological Manifestations:

• Dry, brittle coat texture
• Symmetrical alopecia (hair loss), especially on trunk and tail
• Hyperpigmentation (darkened skin)
• Seborrhea (flaky or greasy skin)
• Recurrent skin infections

Systemic Signs:

• Weight gain without increased food intake
• Lethargy and exercise intolerance
• Cold intolerance
• Bradycardia (slow heart rate)
• Mental dullness

Allergic Dermatitis

Shih Tzus commonly develop allergies causing chronic pruritus (itching) and discomfort.

Atopic Dermatitis (Environmental Allergies): Pollen, dust mites, molds—seasonal or year-round. Face, feet, ears, ventral abdomen most affected. Secondary infections common.

Food Allergies: Protein sources (chicken, beef, dairy). Gradual onset. Year-round symptoms. Gastrointestinal signs may occur.

Flea Allergy Dermatitis: Hypersensitivity to flea saliva. Intense itching from single flea bite. Tail base, thighs, ventral abdomen affected.

Management:

• Allergen avoidance when possible
• Immunotherapy (allergy shots)
• Medical management (antihistamines, apoquel, cytopoint)
• Topical therapy (medicated shampoos, conditioners)
• Treating secondary infections

---

18. Mobility Impairment and Spinal Disease (In-Depth)

Intervertebral Disc Disease (IVDD)

Shih Tzus’ chondrodystrophic conformation (shortened limbs, long back relative to body size) predisposes them to premature disc degeneration and herniation.

Spinal Anatomy and Pathophysiology

Intervertebral discs act as shock absorbers between vertebrae, consisting of the nucleus pulposus (gel-like center) and annulus fibrosus (tough outer ring). In chondrodystrophic breeds, discs undergo premature calcification and dehydration.

Hansen Type I: Sudden extrusion of nucleus pulposus into spinal canal. Acute onset of severe pain or paralysis. Most common in Shih Tzus age 3-6 years. Medical emergency requiring immediate veterinary assessment.

Hansen Type II: Gradual protrusion of annulus fibrosus. Chronic, progressive compression. More common in older dogs. Slower onset of clinical signs.

Clinical Grading

Grade I (Mild): Cervical or thoracolumbar pain, reluctance to move, hunched posture, normal neurological function.

Grade II (Moderate): Pain plus mild neurological deficits, wobbly gait (ataxia), weak limbs, able to walk.

Grade III (Moderate-Severe): Non-ambulatory (cannot walk), retains deep pain sensation, voluntary limb movement present.

Grade IV (Severe): Non-ambulatory, no voluntary movement, retains deep pain sensation, may have urinary/fecal incontinence.

Grade V (Critical): Complete paralysis, loss of deep pain sensation, surgical emergency (48-hour window for optimal outcome), guarded prognosis without immediate intervention.

Early Warning Signs

Cervical IVDD (Neck):

• Reluctance to look up or down
• Crying when picked up
• Holding head low
• Muscle tension in neck
• Front limb weakness or lameness

Thoracolumbar IVDD (Mid/Lower Back):

• Hunched back
• Crying when touched along spine
• Reluctance to jump or climb stairs
• Rear limb weakness or dragging
• Abnormal tail carriage
• Difficulty posturing to eliminate

Preventive Strategies

• Weight management: Each excess pound increases spinal stress
• Ramp use: Preventing jumping from furniture/vehicles
• Harness instead of collar: Reducing neck strain
• Core strengthening exercises: Building supportive musculature
• Avoiding high-impact activities: Reducing injury risk

⚠️ Emergency Alert: “Sudden hind leg weakness or paralysis in Shih Tzus often indicates IVDD (slipped disc). This is a surgical emergency—dogs have a 48-hour window for optimal recovery. Rush to an emergency vet immediately if your dog cannot walk.”

---

Part 3: Body Language and Discomfort Signals

Your Shih Tzu is constantly communicating through body language—but most owners do not know how to read these signals. Ignoring early discomfort cues leads to chronic stress, anxiety disorders, and eventually defensive aggression. This section teaches you to recognize and respond to 20 body language signals before problems escalate.

Watch this video for more details on the discomfort signals your Shih Tzu is showing:

---

19. Avoidance Behavior

Behavioral Description

Active avoidance manifests when dogs deliberately move away from approaching individuals, choose different rooms for resting, or hide when specific people enter spaces. This differs from independent behavior where dogs simply pursue their own activities.

Psychological Interpretation

Avoidance behavior typically indicates classical conditioning—the dog has formed negative associations with certain individuals, situations, or environments. This learned response develops when presence correlates with unpleasant experiences, even if the person did not directly cause discomfort.

Medical Considerations

Pain or illness can trigger withdrawal behaviors. Dogs experiencing chronic discomfort may avoid interaction to prevent painful touch or movement. Neurological conditions, sensory deficits, or cognitive dysfunction can also affect social behavior.

Intervention Strategies

Assessment Phase:

• Document when avoidance occurs
• Identify potential triggers or patterns
• Schedule veterinary examination to rule out medical causes
• Review recent environmental or routine changes

Behavior Modification:

• Allow the dog to initiate interactions
• Use high-value treats to create positive associations
• Maintain distance that does not trigger avoidance
• Gradually decrease distance as comfort increases
• Work with certified animal behaviorist for systematic desensitization protocols

---

20. Growling and Defensive Vocalization

Communication Function

Growling serves as a distance-increasing signal—the dog communicates discomfort and requests space. This represents healthy communication, providing warning before escalation to defensive aggression. Punishment of growling eliminates this crucial warning system, potentially leading to bites without preliminary signals.

Contextual Analysis

Assess circumstances surrounding growling:

• Resource guarding situations
• Handling or restraint
• Specific environmental triggers
• Interaction with certain individuals
• Pain or illness responses

Professional Intervention

Growling behavior, particularly if increasing in frequency or intensity, requires assessment by veterinary behaviorists or certified applied animal behaviorists. These professionals identify underlying causes and develop treatment plans addressing root problems rather than suppressing communication.

---

21. Tail Position and Movement

Anatomical Signaling

Tail carriage communicates emotional state across canine species. A tail tucked firmly between hind legs indicates significant fear or anxiety. The dog attempts to appear smaller and less threatening, displaying appeasement signals.

Breed-Specific Variations

Shih Tzus carry tails in a characteristic curl over the back when relaxed and confident. Deviation from this natural carriage—including lowered, tucked, or rigid positioning—signals emotional discomfort.

Associated Behaviors

Fear-based tail tucking typically accompanies lowered head position, averted gaze, crouched posture, trembling or shaking, and seeking hiding places.

Environmental Modification

Identify and address fear triggers:

• Remove or reduce exposure to frightening stimuli
• Provide safe retreat spaces
• Use pheromone diffusers (Adaptil) to reduce anxiety
• Implement confidence-building training exercises
• Consult veterinarian about anxiety medication if appropriate

---

22. Eye Contact Avoidance

Ethological Significance

In canine communication, direct sustained eye contact can signal challenge or threat. Avoidance of eye contact represents polite deference or conflict avoidance. However, complete refusal to make eye contact may indicate fear, anxiety, or broken trust.

Trust Indicators

Dogs comfortable with their human companions typically offer soft, brief eye contact accompanied by relaxed facial expression. Persistent gaze aversion despite gentle interaction attempts suggests relationship strain or underlying fear.

Building Positive Associations

• Avoid forcing eye contact through commands or restraint
• Reward voluntary glances with high-value treats
• Use gentle, non-threatening voice tones
• Allow dogs to approach and retreat freely
• Pair presence with positive experiences

---

23. Decreased Play Interest

Normal Play Behavior

Healthy Shih Tzus demonstrate regular play interest through toy engagement, playful posturing, and interactive games. Play serves multiple functions including physical exercise, mental stimulation, and social bonding.

Diagnostic Significance

This is perhaps the most heartbreaking sign to recognize. The joyful dog who loved greeting visitors now seems indifferent. The playful companion who brought you toys now rarely initiates play. She’s still there, still present, but that spark—that enthusiasm—has dimmed. Chronic pain fundamentally changes how dogs experience their world. Everything becomes filtered through discomfort. Playing sounds fun until she remembers it might hurt. Greeting visitors enthusiastically seems like too much effort when standing makes her uncomfortable.

Your Shih Tzu has not lost her personality—she is protecting herself from activities that increase her pain. And she will still try to be there for you, still try to be the companion you love, even when it costs her comfort to do it.

Sudden or gradual loss of play interest can indicate:

• Medical conditions causing pain or fatigue
• Depression or anxiety disorders
• Relationship deterioration
• Insufficient motivation (low-value toys or rewards)
• Cognitive dysfunction in senior dogs

Engagement Strategies

• Introduce novel toys with different textures and sounds
• Increase reward value for play participation
• Shorten play sessions to prevent fatigue
• Try different play styles (chase, tug, puzzle toys)
• Ensure pain-free movement through joint supplements or medications if indicated

---

24. Touch Sensitivity and Flinching

Pain Assessment

Flinching or withdrawing from touch strongly suggests pain or discomfort. Watch for these specific scenarios: you reach to pet her head and she ducks slightly, or she suddenly snaps or growls during brushing in areas she used to tolerate perfectly. Their prominent eyes are prone to pressure buildup and inflammation that makes head touching uncomfortable, while their dense coat can hide skin conditions that make grooming painful.

Common sources of touch sensitivity in Shih Tzus include:

• Dental disease
• Ear infections
• Eye pressure and inflammation
• Skin conditions hidden under dense coat
• Orthopedic problems (arthritis, IVDD)
• Abdominal pain

Trauma-Based Responses

Dogs with histories of rough handling, punishment, or abuse may develop generalized touch sensitivity even after rescue or rehoming. This learned fear response requires careful, gradual rehabilitation.

Rehabilitation Protocol

For medical causes:

• Treat underlying pain conditions
• Use gentle, predictable touch patterns
• Pair handling with high-value rewards
• Progress from least to most sensitive areas

For behavioral causes:

• Allow dog to control interaction initiation
• Use treats for tolerance of brief, gentle touches
• Never force physical contact
• Work with veterinary behaviorist for severe cases

---

25. Excessive Vocalization

Functional Communication

Barking serves multiple communication functions: alert to environmental changes, request for attention or resources, expression of anxiety or fear, excitement or arousal, and frustration with barriers or restrictions.

Anxiety-Related Vocalization

Barking stemming from anxiety typically includes high-pitched repetitive patterns, pacing or restless behavior, destructive actions, inappropriate elimination, and inability to settle.

Intervention Strategies

• Identify and address underlying anxiety causes
• Teach incompatible behaviors (e.g., “settle” on mat)
• Reward quiet behavior systematically
• Avoid punishment, which increases stress
• Consider anti-anxiety interventions for severe cases

---

26. Lip Licking, Yawning, and Other Displacement Behaviors

Calming Signals

Displacement behaviors including lip licking (without food present) and yawning (without fatigue) signal stress or discomfort. Dogs use these calming signals attempting to de-escalate tension. These are among the earliest and most subtle signs of discomfort.

What to Watch For

• Rapid tongue flicks or lip licking in non-food situations
• Frequent yawning when the dog is not tired
• Excessive scratching when not itchy
• Sudden self-grooming during interactions
• “Shake off” behavior (as if shaking off water) after stressful situations

Response Strategy

Identify and reduce the stressors causing these behaviors. If your Shih Tzu displays these signals during a specific interaction or situation, give them space and modify the environment to reduce their discomfort.

---

27. Trembling and Shaking

Differential Causes

Shaking can indicate:

• Fear or anxiety responses
• Pain or physical discomfort
• Cold temperature
• Excitement or arousal
• Hypoglycemia or metabolic disorders

Medical evaluation differentiates physical from behavioral causes. If trembling occurs frequently or without obvious emotional triggers, schedule a veterinary examination to rule out pain, metabolic conditions, or neurological problems.

---

28. Aggressive Displays

Emergency Response

Nipping or biting represents serious behavioral concerns requiring immediate professional intervention. These behaviors indicate the dog feels sufficiently threatened to use defensive aggression despite risks of retaliation.

Aggression Classification

Fear-based aggression: Response to perceived threat when escape seems impossible

Pain-induced aggression: Defensive response to painful stimulation

Possessive aggression: Resource guarding behavior

Redirected aggression: Misdirected arousal or frustration

Safety Protocols

• Implement management preventing biting opportunities
• Avoid situations triggering aggressive responses
• Never punish aggressive displays
• Separate from potential victims (children, other pets)
• Consult veterinary behaviorist immediately

---

29. Additional Discomfort Indicators

Destructive Behavior in Owner Presence

Destruction occurring when owners are present often indicates frustration, insufficient mental stimulation, or anxiety rather than spite or revenge. Dogs lack capacity for vengeful motivation. Provide appropriate outlets through puzzle feeders, interactive toys, and increased exercise.

Leash Refusal

Negative associations with walks (past frightening experiences, punishment during walks, physical discomfort from collars) can create leash resistance. Switch to harnesses, establish positive walking routines, and consider veterinary evaluation for orthopedic pain affecting mobility.

Resource Guarding

Food aggression represents insecurity around resources rather than dominance. Never attempt to remove items forcefully. Work with certified behaviorists on protocols trading guarded items for high-value rewards, gradually building trust around resource sharing.

Stress-Related Whining

Vocal distress communicates anxiety, discomfort, or unmet needs. Identify triggers, ensure physical needs are met (elimination, water, comfortable temperature), provide mental stimulation, and address underlying anxiety with professional guidance.

Treat Refusal

Dogs refusing previously enjoyed treats may experience dental pain making chewing uncomfortable, nausea or gastrointestinal distress, extreme stress suppressing appetite, or learned aversion if treats preceded unpleasant experiences. Veterinary evaluation should precede behavioral intervention.

Elimination in Inappropriate Locations

House-trained dogs eliminating indoors may experience medical issues (urinary tract infections, gastrointestinal problems, incontinence), anxiety or stress responses, insufficient outdoor access, marking behavior, or cognitive dysfunction in senior dogs. Veterinary examination must precede behavioral conclusions.

---

When to Seek Veterinary Care

---

Creating a Health Monitoring Routine

Daily Observations

• Check eyes for redness or discharge
• Ensure normal eating and drinking
• Monitor energy levels and behavior
• Check for limping or mobility issues
• Note any unusual body language signals

Weekly Checks

• Inspect ears for odor, redness, or discharge
• Check coat and skin condition
• Examine teeth and gums
• Check for lumps or bumps by petting thoroughly
• Observe response to touch across all body areas

Regular Veterinary Care

Even healthy Shih Tzus should see a veterinarian for:

• Annual or bi-annual wellness examinations
• Vaccinations as recommended
• Dental cleanings as needed
• Senior dog screenings (typically starting age 7-8)

---

Pain Assessment and Quality of Life

Recognizing Suffering

Chronic pain significantly diminishes quality of life. Pet owners should regularly assess:

• Activity level and play engagement
• Appetite and eating behavior
• Sleep quality and comfort
• Social interaction desire
• Response to touch and handling
• Mobility and movement ease
• Overall demeanor and happiness

Quality of Life Scales

Veterinarians utilize validated quality of life assessment tools evaluating pain level, hunger and hydration, hygiene maintenance, happiness and mental well-being, mobility, and good days versus bad days ratio.

Palliative Care Options

For chronic conditions, pain management strategies include:

• Multimodal analgesia (NSAIDs, gabapentin, tramadol, others)
• Physical rehabilitation therapy
• Acupuncture and laser therapy
• Environmental modifications
• Assistive devices (ramps, slings, wheelchairs)
• Nutritional support (joint supplements, omega-3 fatty acids)

---

The Importance of Early Detection

---

Trust Your Instincts

You know your Shih Tzu better than anyone. If something seems “off” even if you cannot identify a specific symptom, trust that instinct. Understanding your dog’s normal behavior—their typical energy level, eating habits, sleep patterns, body language, and personality—allows you to recognize subtle changes that signal pain, illness, or emotional distress.

Veterinary teams would rather evaluate a dog and find nothing serious than have owners wait too long to seek care. When in doubt, make the call.

---

Rebuilding Trust and Strengthening Bonds

If your Shih Tzu is showing signs of discomfort, stress, or fear, a systematic approach helps restore their confidence:

Step 1: Veterinary Evaluation — Rule out medical causes contributing to behavioral changes. Pain, illness, and sensory decline significantly impact behavior and must be addressed first.

Step 2: Environmental Management — Modify environments to reduce stress triggers. Provide quiet retreat spaces, reduce household chaos, maintain consistent routines, and use anxiety-reducing products (pheromones, calming music).

Step 3: Behavior Modification — Evidence-based techniques including systematic desensitization to fear triggers, counterconditioning creating positive associations, differential reinforcement of alternative behaviors, and trust-building exercises.

Step 4: Family Education — All household members must understand canine communication signals, appropriate response protocols, consistency in training, and realistic expectations for progress timelines.

What to Avoid

• Punishment for fear-based behaviors
• Forcing interaction or contact
• Flooding (intense exposure to fears)
• Physical corrections or alpha rolling
• Withholding resources to assert dominance

These approaches damage trust, increase anxiety, and often worsen behavioral problems.

---

📚 Related Guides You’ll Find Helpful

Continue learning about Shih Tzu health, safety, and care:

Health & Stress

• Shih Tzu Stress and Anxiety: Signs, Causes & Solutions - Complete guide to recognizing and addressing stress
• Common Mistakes Every Shih Tzu Owner Makes - Avoid errors that harm your dog’s health and happiness

Safety & Prevention

• 5 Toxic Foods That Can Make Your Shih Tzu Sick - Critical food safety information every owner needs
• 10 Dangerous Household Items for Shih Tzus - Keep your home safe from hidden hazards

Complete Care

• Complete Shih Tzu Care Guide - Your comprehensive resource for health monitoring, preventive care, and breed vulnerabilities

📖 Browse All Shih Tzu Guides →

---

This guide is for educational purposes only. Every dog is different, and symptoms can vary or indicate different conditions. Always consult with a licensed veterinarian for proper diagnosis and treatment of any health concerns. If you notice any of these signs—especially head pressing, difficulty breathing, sudden paralysis, or severe behavioral changes—seek emergency veterinary care immediately. For behavioral concerns, work with certified dog behaviorists or trainers for personalized guidance. Early intervention can be lifesaving.