A cat's sudden saliva may be thick and smelly, which may be caused by simple ulcers, redness, inflammation, etc. on the inner wall of the mouth. It may also be stomatitis caused by a virus. Pay attention to your cat's daily oral hygiene. You can buy your cat a pet-specific mouthwash and Oral spray.

How to treat a cat’s sudden thick and fishy saliva

When a cat suddenly develops an increase in saliva that is thick and smelly, you must first consider some oral problems, such as viral stomatitis, oral calculus, gingivitis, oronasal fistula, or eating some fish bones, Oral foreign bodies caused by fish bones.

In addition, when cats suffer from some serious gastrointestinal diseases, such as esophagitis, gastritis, and gastric ulcers, they can also cause nausea, regurgitation, sticky saliva, and a fishy smell. When a cat eats some food that may cause poisoning, and if it is found that the cat suddenly develops sticky and fishy saliva, it must be promptly checked and diagnosed by a professional pet hospital for symptomatic treatment. In addition, it is usually recommended that owners brush their cats' teeth regularly and clean their mouths, especially after cats eat soft food. Since soft food adheres to the teeth, it will become rotten and deteriorate, resulting in a peculiar smell in the cat's mouth.