8 Emergency Sick Dog and Cat Symptoms That Can’t Be Waited For Illness in dogs and cats can occur at any age and can be caused by a variety of factors. For some symptoms, owners may still be able to wait and see the symptoms, but if your dog or cat develops these symptoms, it is recommended that you rush them to an animal hospital or clinic immediately. Breathing problems, such as difficulty breathing, panting even when lying down or sitting, tongue turning dark red or purple or an unusually dark color, seizures, unconsciousness, or acute paralysis, inability to move all or part of the body, vomiting continuously throughout the day or vomiting for more than 1 day, bleeding from the eyes, ears, nose…