The black bulge around the cat's mouth may be due to the following two reasons: 1. It is normal. There will be bulges around the cat's mouth. Both sides are symmetrical. The color is usually the same as the color of the cat's mouth. Those with melanin deposits are black. 2. Folliculitis, it may be that the cat usually eats too greasy food, or the living environment is too humid, causing the cat to suffer from folliculitis.

Tip:

Folliculitis in cats is also called black chin. It is usually distributed in the chin area. The owner can see that the cat’s chin has many cinder-like spots. The small black spots on the cat's chin are not contagious. If the cat's condition is serious, it will cause blockage and inflammation, resulting in swelling and pus.