With the right treatment and appropriate diet, most cases of gastroenteritis in cats can show improvement within 7-10 days. However, it's important to note that individual cats may have varying recovery times depending on the severity of the condition and other factors. The recovery process for gastroenteritis involves addressing the underlying causes and managing the symptoms. Your veterinarian may recommend medications to address infections, parasites, or inflammation. Along with treatment, providing a suitable diet is essential for a cat's recovery from gastroenteritis. Your veterinarian may recommend a specialized gastrointestinal diet that is easily digestible, gentle on the stomach, and supports the healing process. Gastroenteritis can cause symptoms like vomiting, diarrhea, and loss of appetite. Effective management of these symptoms can contribute to a quicker recovery.