Cats may drool because of dental disease, mouth irritation, nausea, stress, medications, or exposure to toxins. Occasional drooling can be harmless, but excessive drooling or drooling with other symptoms may indicate a health problem.
Why Is My Cat Drooling? Complete Causes & Health Guide
Most cats do not drool regularly like dogs.
A small amount of drooling may happen during relaxation, eating, or after enjoying a tasty treat. However, sudden or excessive drooling can be a sign that something is wrong.
Cat drooling may be caused by:
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Dental problems
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Mouth injuries
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Nausea
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Stress or fear
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Foreign objects
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Toxins
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Medication reactions
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Health conditions
Understanding the cause can help you decide whether your cat simply needs monitoring or veterinary care.
🐱 1. Normal Drooling in Cats
Not all drooling is a problem.
Some cats may drool when they are extremely relaxed.
Common harmless situations:
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During petting
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While sleeping deeply
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When feeling comfortable
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While smelling attractive food
Normal Drooling Usually:
✅ Happens occasionally
✅ Has no bad smell
✅ Does not affect eating
✅ Cat behaves normally
If drooling suddenly appears or becomes frequent, investigate further.
🦷 2. Dental Problems Are a Common Cause
Dental disease is one of the most common reasons cats drool.
Pain or inflammation in the mouth can make cats produce excessive saliva.
Common dental issues include:
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Gum disease
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Tooth infection
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Broken teeth
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Oral inflammation
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Tooth resorption
Signs of Dental Problems
Watch for:
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Bad breath
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Difficulty eating
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Dropping food
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Pawing at mouth
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Avoiding hard food
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Weight loss
Related article:
Cat Dental Care Guide: How to Keep Your Cat’s Teeth Healthy
👄 3. Mouth Injuries or Foreign Objects
Cats may drool if something irritates their mouth.
Possible causes:
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Grass stuck in mouth
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Small objects
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Mouth cuts
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Burns from chemicals
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Broken teeth
Signs Something Is Wrong
Your cat may:
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Rub its face
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Avoid eating
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Shake its head
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Keep mouth open
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Drool suddenly
Never force objects out if they appear stuck deeply. Veterinary help may be needed.
🤢 4. Nausea Can Cause Drooling
Cats may drool when they feel nauseous.
Possible causes include:
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Hairballs
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Digestive problems
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Eating spoiled food
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Motion sickness
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Medication side effects
Signs of Nausea
Look for:
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Excessive licking
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Lip smacking
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Reduced appetite
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Vomiting
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Hiding
Related article:
Why Is My Cat Vomiting? Causes & When to Worry
😿 5. Stress and Fear
Strong emotions can sometimes cause drooling.
Stress triggers include:
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Veterinary visits
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Car rides
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Loud noises
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New environments
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Unfamiliar people
Stress Signs
Your cat may also:
❌ Hide
❌ Tremble
❌ Avoid interaction
❌ Eat less
❌ Groom excessively
Related article:
Why Is My Cat Hiding? Health & Behavior Reasons
☠️ 6. Toxins and Poisoning
Sudden heavy drooling can sometimes indicate exposure to something harmful.
Possible toxins include:
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Toxic plants
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Cleaning chemicals
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Human medications
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Certain essential oils
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Insecticides
Emergency Signs
Seek veterinary help immediately if drooling occurs with:
🚨 Vomiting
🚨 Tremors
🚨 Weakness
🚨 Breathing problems
🚨 Seizures
🚨 Collapse
💊 7. Medication Side Effects
Some medications may cause temporary drooling.
This can happen because:
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The taste is unpleasant
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The medication irritates the mouth
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The cat feels nauseous
What to Do
✅ Follow medication instructions
✅ Tell your veterinarian about unusual reactions
✅ Do not stop prescribed medication without advice
🦠 8. Infections and Health Problems
Drooling may sometimes occur with broader health problems.
Possible causes include:
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Oral infections
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Respiratory problems
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Kidney disease
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Neurological problems
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Chronic illnesses
Watch for Other Symptoms
Pay attention to:
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Weight loss
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Appetite changes
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Increased thirst
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Low energy
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Behavior changes
Related articles:
Common Cat Health Problems Every Owner Should Know
Why Is My Cat Drinking So Much Water?
🔍 9. Drooling During Eating
Some cats may drool when they smell or eat something especially appealing.
This is usually harmless if:
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Eating normally
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No mouth pain
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No behavior changes
However, sudden drooling while eating may suggest dental discomfort.
🚨 10. When Should You Worry About Cat Drooling?
Contact a veterinarian if your cat:
🚨 Suddenly starts drooling
🚨 Drools continuously
🚨 Has bad breath
🚨 Refuses food
🚨 Has mouth pain
🚨 Loses weight
🚨 Acts unusually tired
Emergency Warning Signs
Seek immediate help if your cat:
🚨 Has difficulty breathing
🚨 Has seizures
🚨 May have eaten poison
🚨 Cannot swallow
🚨 Has severe weakness
🛡️ How to Prevent Drooling Problems
Maintain Dental Health
✅ Brush teeth regularly
✅ Provide dental care products
✅ Schedule dental checks
Reduce Health Risks
✅ Keep toxic items away
✅ Use safe cleaning products
✅ Monitor eating habits
Support Overall Wellness
✅ Balanced nutrition
✅ Fresh water
✅ Regular veterinary examinations
❓ Frequently Asked Questions
Is it normal for cats to drool?
Small amounts of occasional drooling can be normal, especially when relaxed. Frequent drooling should be investigated.
Why is my cat drooling but acting normal?
It may be caused by relaxation, food excitement, or minor irritation. Monitor whether it continues.
Why is my cat drooling and not eating?
This may indicate dental pain, mouth problems, nausea, or illness and should be evaluated.
Do cats drool when they are stressed?
Yes. Some cats may drool during fear, anxiety, or stressful situations.
Should I worry if my cat suddenly starts drooling?
Sudden drooling can indicate mouth irritation, dental problems, toxins, or illness. Check for other symptoms.
🛒 Recommended Products
Cat Toothbrush & Toothpaste Kit
Dental Water Additive for Cats
