The abdominal weight of cats will increase in the early stage, but the weight will gradually decrease in the later stage. During a cat's infection with infectious peritonitis, the cat's food intake decreases due to a decrease in mental appetite. If the cat's abdominal girth increases during this period, the cat may gain weight for a period of time. However, as the symptoms of the disease worsen, the cat will gradually lose weight.

Symptoms of cat abdominal distension:

1. The most obvious symptoms of wet abdominal distension are an increase in abdominal circumference, a fluctuating sensation on palpation, and no obvious pain response or Pleural effusion compresses the lungs, causing dyspnea, etc.; dry abdominal distension has no characteristic clinical symptoms, but can manifest as multiple lymph node enlargements, elevated body temperature, dermatitis, eye diseases, neurological symptoms, etc.

2. Some cats may also develop pleural exudate, pericardial effusion, and obvious jaundice in the middle and late stages. In addition, male cats may have an enlarged scrotum.

3. The main symptoms of dry cat epilepsy are eye diseases such as iritis and edema in mesenteric lymph nodes. Some individuals may have neurological symptoms, such as paralysis, epilepsy and peripheral neuritis. occur.