Intestinal parasites, including worms and protozoa, can seriously affect your pet’s health. Some of these parasites also infect humans, with young children especially at risk. Intestinal parasites cause changes in appetite, diarrhea, weight loss, anemia and ...

Inflammatory Bowel Diseases of dogs and cats are a diverse group of chronic disorders characterized by infiltration of the lining of the stomach, intestines and colon with inflammatory cells. Inflammatory cells, which include lymphocytes, plasmacytes and eosin...

Hairballs, or trichobezoars, are a relatively common problem in cats. Hairballs form as a result of feline grooming habits. As cats groom themselves, hair is deposited in the gastrointestinal tract. These hairs usually pass through the gastrointestinal tract ...

Gastroenteritis is an inflammation of the lining of the stomach and small intestine. The most common signs of this condition are vomiting or diarrhea. Infection (viral and/or bacterial), internal parasites, food intolerance, ingestion of garbage or bones, an...

We do not know what causes food allergies in dogs and cats. The most common food allergens in dogs are beef, soy, dairy products and various grains. In cats, beef, milk and fish are the most common food allergens. Age of onset is variable although young dogs a...