Why does my cat drool when i pet him?

When you are petting your cat, it may drool for a variety of reasons, including physical and emotional ones. Drooling in cats is a normal physiological response, similar to drooling in humans, but it can also be used as a form of communication with you. The causes and possible explanations for cat drooling are discussed in detail below.

drooling cat

1. Happiness and relaxation

When a cat feels comfortable, safe and joyful, its body releases a chemical called the “happiness hormone” called dopamine. This stimulates the salivary glands and leads to increased saliva production. So, when you pet your cat, it is a normal reaction for it to salivate when it is enjoying the close interaction, feeling happy and relaxed.

2. Role of the licking glands

Cats’ salivary glands are located in their jaws, and the licking action stimulates the glands to produce more saliva. When it wants to clean its fur and keep it clean and hygienic, it may salivate unconsciously.

3. Appetite and Deliciousness

When a cat feels hungry or smells delicious food, it will also secrete more saliva. This is because saliva contains some enzymes that are important for the digestion of food in cats. Therefore, when you feed your cat or it smells food, it may start salivating.

4. Not every cat drools

Although drooling is a normal physiological reaction, not every cat will drool when being petted. This can be due to physical and personality differences in each cat. Some cats may be more excitable or sensitive and drool easily. While other cats may be more calm and introspective and may be less prone to drooling.

5. Pregnant women’s hormones

Another interesting point is that cats may respond to pregnant women. Some studies have shown that hormonal changes in pregnant women may cause an increase in drooling in cats. This may be because the hormonal changes produced by women during pregnancy can alter their odor, which can get a cat’s attention and trigger an increase in salivation.


Cats may salivate when they are being petted because they are feeling happy, relaxed, or in a hungry state. They may also salivate due to stimulation of their lick glands or in response to certain odors. Additionally, individual differences and hormonal changes in a pregnant woman’s body may also affect cat drooling. In either case, cats are communicating with you about their emotions and stress while drooling.

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