Signs of a dying, elderly cat include a decrease in appetite, more frequent naps, collapsing, weight loss and a loss of interest in everyday things the cat previously enjoyed, notes Cat World. Shortness of breath or rapi... More »

Signs of a dying cat include if it collapses while walking, lack of sleep, loss of appetite, weight loss, hiding, breathing difficulties, urinary incontinence, loss of interest in everything and discomfort. A cat can liv... More »

Symptoms of liver disease in dogs vary but include loss of appetite, weight loss, vomiting, diarrhea and stomach ulceration, states Merck Manuals. Fluid build-up in the abdomen, excessive urination and thirst, weakness, ... More » Pets & Animals Pets Veterinary Health

Some signs that a pet, such as a dog or cat, is sick are lethargy, loss of appetite, changes in mood, vomiting, diarrhea, increased thirst, coughing and urination problems, notes WebMD. Some other symptoms to look out fo... More »

Symptoms of heartworms in dogs include a decrease in appetite, weight loss, fatigue after moderate activity, a reluctance to exercise and a mild, persistent cough, according to the American Heartworm Society. As heartwor... More »

Common side effects of Benadryl in canines include the presence of dry mouth, a loss or decrease in appetite with or without vomiting, diarrhea and a decrease in urine according to PedMD. Benadryl has been known to react... More »

A vet may order an abdominal and pelvic scan if a cat is exhibiting unexplained symptoms, such as weight loss, diarrhea and vomiting or loss of appetite, or has exhibited urinary problems, according to petMD. A scan can ... More » Pets & Animals Pets Veterinary Health