Cat tear stains usually refer to the secretions in the cat's eyes. There will be more eye feces at first, and she will shed tears occasionally, and then gradually form tear stains. Over time, they will accumulate on the inner corners of the eyes and form dark marks. When a cat has tear stains, the owner needs to find out the cause of the cat's tear stains based on the cat's actual condition, and then solve the problem reasonably.

Causes of cat tear stains:

1. Caused by diseases, such as ear canal infection, nasolacrimal duct obstruction, dacryoadenitis, conjunctivitis caused by herpes virus, cat Diseases such as nasal congestion can cause excessive tear production in the cat's eyes, causing tear stains.

2. Symptoms of internal heat caused by long-term consumption of low-quality cat food, high-fat and high-salt food, generally manifest as excessive eye feces, watery eyes, dry nose, and tear stains due to long-term tearing.

3. Physiological structural defects. Some cats with flat faces are born with relatively short noses and short nose bridges. The tear ducts in the nose are highly curvature, and the discharge of tears is limited. The chance of accumulation of tears to form tear stains is greater.

4. There is another situation where eyelash barbs and hair barbs cause cat eye discomfort and increased tears.