Why is My Cat Drooling?
What Does It Mean When a Cat Drools?
Cats, unlike some other pets, are not typically known for drooling. However, when you notice your feline companion drooling, it can be both surprising and concerning. Understanding the reasons behind this behavior is essential for ensuring your cat’s health and well-being.
Understanding Cat Drooling
Drooling, or salivation, in cats can be categorized into normal and abnormal behaviors. Recognizing the difference is crucial for determining whether your cat requires veterinary attention.
Normal Reasons for Cat Drooling
- Contentment and Relaxation: Some cats may drool when they are particularly relaxed and content. This often occurs during purring or kneading sessions, reminiscent of kittenhood behaviors associated with nursing.
- Anticipation of Food: Similar to Pavlovian responses in other animals, cats might drool when they anticipate a delicious meal or treat. This type of drooling is usually brief and stops once the cat begins eating.
Abnormal Reasons for Cat Drooling
- Dental and Oral Health Issues:
Dental diseases are a prevalent cause of excessive drooling in cats. Conditions such as gingivitis, periodontal disease, and tooth resorption can lead to oral discomfort, resulting in increased salivation. Signs accompanying dental issues may include bad breath, difficulty eating, and pawing at the mouth. - Nausea and Gastrointestinal Upsets:
Cats experiencing nausea due to gastrointestinal disturbances, motion sickness, or systemic illnesses like kidney disease may drool excessively. This drooling is often accompanied by other symptoms such as vomiting, loss of appetite, and lethargy. - Exposure to Toxins:
Ingesting or coming into contact with toxic substances, including certain plants, household chemicals, or human medications, can cause drooling in cats. If you suspect your cat has been exposed to a toxin, seek immediate veterinary care. - Foreign Objects or Trauma:
Objects lodged in a cat’s mouth or throat, or injuries from chewing on inappropriate items, can lead to drooling. Cats with oral injuries may also exhibit signs like pawing at the mouth, difficulty eating, or bleeding. - Respiratory Infections:
Upper respiratory infections, particularly those affecting the mouth and throat, can cause discomfort and drooling. Symptoms may include sneezing, coughing, and nasal discharge. - Stress and Anxiety:
Cats may drool when they are stressed or anxious, such as during car rides, veterinary visits, or exposure to unfamiliar environments. This type of drooling typically subsides once the stressor is removed.
When to Seek Veterinary Care

While occasional drooling in specific contexts may be harmless, it’s important to consult a veterinarian if you observe:
- Persistent or excessive drooling without an apparent cause.
- Drooling accompanied by other symptoms such as vomiting, diarrhea, lethargy, or behavioral changes.
- Signs of oral discomfort, including bad breath, difficulty eating, or pawing at the mouth.
- Evidence of exposure to potential toxins or foreign objects.
Early intervention can prevent potential health issues from escalating and ensure your cat remains healthy and comfortable.
Understanding Cat Drooling
The Basics of Feline Salivation
Salivation is a natural and essential process for cats, playing a crucial role in maintaining oral health and aiding digestion. The salivary glands in a cat’s mouth produce saliva, which serves multiple functions, including lubricating food, protecting the delicate tissues inside the mouth, and assisting in the breakdown of starches.
Key functions of saliva include:
- Lubrication: Moistens food, making it easier to chew and swallow.
- Protection: Shields the mouth’s mucous membranes from irritants and decay.
- Digestion: Contains enzymes that initiate the digestive process.
While drooling is sometimes considered unusual in cats, occasional and mild drooling can be entirely normal. Some cats may salivate when they are particularly relaxed, content, or exposed to an enticing scent or taste.
Common Reasons for Drooling in Cats

Cats may drool for various reasons, ranging from harmless to concerning. Understanding the context and frequency of drooling can help determine whether medical attention is needed.
Normal Causes of Drooling
- Happiness or Contentment: Some cats drool when they are extremely relaxed, such as when they are being petted or cuddled. This behavior is similar to how some people sigh when they feel at ease.
- Anticipation or Nausea: Cats may drool in response to food smells or if they are feeling slightly nauseous.
- Dental Issues: Oral diseases such as gingivitis or periodontal disease can cause excessive drooling. Checking for other signs of dental problems is essential.
- Medications: Certain medications can trigger temporary drooling as a side effect.
If drooling is accompanied by bad breath, a lack of appetite, or behavioral changes, it could be indicative of a more serious issue requiring veterinary attention.
Distinguishing Between Normal and Abnormal Drooling
Understanding when drooling is a sign of contentment versus a symptom of distress is essential. Normal drooling occurs occasionally, usually when a cat is happy or excited about something pleasant, such as petting or food.
However, abnormal drooling often comes with additional warning signs and may indicate an underlying health concern. If drooling becomes excessive or persistent, particularly if it coincides with changes in eating habits, behavior, or physical appearance, a veterinary consultation may be necessary.
Here’s a guide to help differentiate between the two:
- Normal Drooling: Occasional, linked to relaxation or pleasure.
- Abnormal Drooling: Frequent or excessive, accompanied by symptoms like bad breath, pawing at the mouth, or appetite loss.
- Action: If drooling seems unusual or prolonged, monitoring the cat’s overall health and consulting a vet is advised.
Normal Drooling Scenarios

During Relaxation and Petting
Many cats drool when they are in an exceptionally relaxed state. If your cat starts salivating while being petted, it’s likely a sign of contentment rather than an issue.
Indicators of relaxation-related drooling include:
- Purring: Suggests happiness and comfort.
- Kneading: Often linked with drooling and signals security.
- Half-closed eyes: A sign of trust and relaxation.
As long as drooling occurs exclusively in these soothing moments and not persistently, it is generally harmless. However, if drooling extends beyond these situations, it may require further investigation.
Response to Tasty Food or Medication
Drooling can also occur when a cat anticipates or consumes delicious food. This reaction is entirely normal and signifies a healthy appetite.
Some medications, particularly bitter ones, may also induce temporary drooling. Common medications that may cause drooling include:
- Anti-inflammatory drugs
- Deworming treatments
- Sedatives
- Certain antibiotics
If drooling persists beyond the immediate aftermath of taking medication, a vet consultation may be required.
Teething in Kittens
Just as human babies experience discomfort while teething, kittens may drool as they go through this developmental phase. This occurs as they lose their baby teeth and their adult teeth emerge, typically between 2 to 6 months of age.
To ease discomfort, kittens may:
- Chew on objects.
- Drool more than usual.
Providing teething toys can help alleviate discomfort. If excessive drooling or pain is noticed, consulting a veterinarian is advisable.
Causes of Concern in Cat Drooling
Dental Disease and Oral Pain
Dental problems are a leading cause of excessive drooling in cats. Periodontal disease, gingivitis, and tooth decay can all lead to discomfort and excessive salivation.
Signs of dental disease include:
- Bad breath
- Visible tartar buildup
- Difficulty eating
- Pawing at the mouth
- Drooling with a foul odor
Early detection and proper treatment are vital to preventing severe complications.
Signs of Illness or Poisoning
Excessive drooling can also signal illness or poisoning. Toxic substances, spoiled food, or certain plants can lead to excessive salivation.
Signs that warrant immediate veterinary attention include:
- Vomiting or diarrhea
- Lethargy or weakness
- Difficulty breathing
- Sudden behavioral changes
Keeping harmful substances out of reach and closely monitoring a cat’s environment can prevent poisoning incidents.
Foreign Objects and Trauma
Cats’ curiosity can sometimes lead them to chew on or swallow foreign objects, causing blockages or mouth injuries that lead to excessive drooling.
Warning signs include:
- Sudden onset of drooling
- Difficulty eating or swallowing
- Pawing at the mouth
- Bleeding or unusual odor
If a foreign object is suspected, professional assistance should be sought immediately rather than attempting home removal.
Diagnosing Excessive Drooling
When to Visit the Vet
Knowing when to seek veterinary care is crucial. If drooling is persistent, occurs suddenly and severely, or is accompanied by other symptoms like vomiting, lethargy, or difficulty eating, a vet visit is necessary.
Key questions to assess severity:
- Is drooling continuous or occasional?
- Are eating and drinking habits affected?
- Are there visible signs of pain or discomfort?
What to Expect During the Examination
A veterinarian will conduct a comprehensive assessment, including:
- Physical examination: Checking the mouth for inflammation, infections, or foreign objects.
- Bloodwork: To detect infections or systemic issues.
- X-rays/Ultrasound: If an internal issue is suspected.
Possible Tests and Treatments
Depending on the findings, the vet may recommend:
- Dental cleaning or tooth extractions for oral issues.
- Medications or treatments for infections.
- Emergency intervention in cases of poisoning.
Prevention and Care for Drooling Cats
Maintaining Dental Hygiene
Good dental care can prevent many causes of excessive drooling. Routine check-ups, combined with at-home dental care, can significantly improve oral health.
Steps to maintain dental health:
- Provide dental-friendly treats and toys.
- Brush teeth with vet-approved toothpaste.
- Conduct regular mouth inspections for abnormalities.
By implementing preventative measures and staying vigilant about a cat’s health, many serious conditions that lead to excessive drooling can be avoided.
Monitoring for Potential Hazards
Ensuring your cat’s safety from potential hazards that may lead to excessive drooling is a crucial part of responsible pet care. Regularly inspecting your home and removing any items that could be harmful if chewed or swallowed is essential. This includes houseplants, small objects, and toxic substances.
- Houseplants: Many common houseplants are toxic to cats. To prevent accidental ingestion, keep these plants out of reach or avoid having them in your home altogether.
- Small Objects: Cats are naturally curious and may play with or ingest small items. Regularly check your living space and remove any objects that could pose a choking hazard or cause gastrointestinal issues.
- Toxic Substances: Ensure that all chemicals, cleaning agents, and medications are securely stored away from your cat’s reach to prevent accidental poisoning.
By maintaining vigilance and taking a proactive approach, you can significantly reduce the chances of your cat encountering something that may cause drooling due to irritation or toxicity. It is also vital to be aware of signs of distress in your cat, such as sudden behavioral changes or appetite loss, as these may indicate exposure to a harmful substance.
Managing Chronic Conditions
Chronic conditions such as kidney disease or hyperthyroidism can sometimes contribute to increased drooling in cats. Properly managing these conditions is essential for minimizing drooling and enhancing your cat’s overall well-being. Regular veterinary check-ups and adherence to prescribed treatments play a crucial role in effective disease management.
- Monitor your cat’s overall health and behavior for any noticeable changes.
- Ensure that prescribed medications are administered consistently and correctly.
- Keep a detailed record of symptoms, including any episodes of coughing or alterations in drooling patterns.
Close collaboration with your veterinarian is necessary to adjust treatment plans as needed and to keep chronic conditions under control. Taking a proactive stance on your cat’s health can help reduce drooling and other associated symptoms, ensuring they receive the best possible care.
Conclusion
Understanding the various reasons behind cat drooling is essential for responsible pet ownership. By observing your cat’s behavior and recognizing the signs associated with both normal and abnormal drooling, you can take appropriate steps to address any underlying issues and maintain your feline friend’s health and happiness.
Frequently Asked Questions
Do cats drool when happy?
Yes, some cats drool when they are extremely relaxed and content, especially while purring or kneading. This behavior is common in cats that associate drooling with positive experiences from kittenhood, such as nursing.
What does it mean when your cat is drooling?
Cat drooling can be normal or indicate a health issue. Occasional drooling due to relaxation, excitement, or food anticipation is harmless. However, excessive drooling may signal dental disease, nausea, stress, or exposure to toxins.
Do cats drool when they’re sick?
Yes, cats can drool when they are unwell. Conditions such as respiratory infections, kidney disease, poisoning, or digestive issues can lead to increased salivation. If drooling is accompanied by lethargy, vomiting, or appetite loss, veterinary attention is recommended.
Do cats drool when sad?
Cats do not typically drool as a response to sadness. However, they may drool due to stress, anxiety, or discomfort caused by an underlying health problem.
Why does my cat drool so much when I pet him?
Some cats drool when they are petted because they feel relaxed and happy. It is a sign of deep comfort and contentment, often linked to positive experiences from kittenhood.
Cat drooling before death
Excessive drooling in a terminally ill or aging cat may indicate discomfort, nausea, or difficulty swallowing. If your cat is near the end of life and experiencing distress, consult a veterinarian to ensure they remain comfortable.
Why is my cat drooling thick saliva?
Thick drool in cats can be a sign of dehydration, dental disease, nausea, or an obstruction in the mouth or throat. If your cat has persistent thick saliva, a vet visit is advisable.
Why is my cat drooling all of a sudden?
Sudden drooling can result from ingesting something toxic, dental issues, oral injuries, or nausea. If your cat suddenly starts drooling excessively, monitor their behavior and seek veterinary care if symptoms persist.
What does it mean when a cat drools while sleeping?
Some cats drool in their sleep due to deep relaxation, similar to how they might drool while purring. However, if drooling is excessive or accompanied by other symptoms, it could indicate an underlying issue.
Cat drooling excessively but acting normal
If a cat is drooling excessively but otherwise behaving normally, it could still be due to dental issues, mild nausea, or minor irritation in the mouth. Monitoring for any additional symptoms is important to rule out potential health concerns.
Is cat drool harmful to humans?
Cat saliva contains bacteria that can cause infections if it enters an open wound or is ingested. While generally not harmful, it’s advisable to wash hands after handling a drooling cat, especially if you have cuts or a weakened immune system.
Cat drooling a lot but eating
If your cat is drooling excessively but still eating, they might have mild dental discomfort, oral irritation, or a temporary reaction to something they ingested. If the drooling persists, a vet check-up can help identify the cause.