May be caused by parasites or skin diseases. It is also caused by the dry and strong taste of the food that cats eat. Secondly, cats infected with fleas and mites can also cause red buttocks. Also check whether the cat’s butt is injured. You can take the cat to an animal hospital for examination to confirm whether it is infected with parasites or skin diseases. ​​​​​​

There are three common reasons why a cat’s butt becomes red: the cat’s butt is injured, the cat’s butt is infected with parasites or causes skin diseases, long-term diet causes the cat to get angry, and the cat’s butt will be red, dry and itchy during constipation. If you find that your cat's butt suddenly becomes very red, it is best to take it to the pet hospital for a professional examination to find out the cause and then provide targeted treatment.

Cat butt injuries, parasites, and skin diseases should all receive professional treatment. If the cat's butt becomes red due to constipation due to an abnormal diet, the body will get angry, and in addition to taking medication for treatment, special attention should be paid to the daily diet. You can try giving your cat a bath and prepare more dietary fiber-rich food for it to speed up intestinal peristalsis. You can also give the cat some fire-reducing medicine to help the cat reduce the fire and relieve the redness, dryness, itching and pain of the butt.