Cats who throw up and are not eating may be suffering from kidney disease, according to the ASPCA. The ASPCA explains that cats with kidney problems are unable to effectively excrete waste products, leading to a dangerou... More »

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While cats often vomit for minor and benign reasons such as eating too quickly or playing too much after a meal, WebMD states that frequent and reoccurring vomiting can indicate colitis, intestinal obstructions, kidney f... More »

According to the ASPCA, the most common reason for puppies to lose their appetite and vomit profusely is due to eating something they should not have. However, there are a variety of other medical issues which may cause ... More »

Cats cannot smile. They do experience emotions, including happiness. Cats have several physical ways of expressing pleasure, such as high-pitched meowing, a vertically position to the tail, narrowed pupils and a low, tri... More »

Cats, like humans, can develop lactose intolerance as they age. Some cats can tolerate milk, and some can't. Giving cats a small amount of milk, then watching for signs of lactose intolerance for 24 hours, determines whe... More »

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Cats purr as a form of communication to signal either contentment or anxiety. Purring is a vital part of a cat's interaction with other felines and begins in the second day of a cat's life. More »

www.reference.com Pets & Animals Pets Cats

Cats yowl at night for many reasons including disorientation, confusion and cognitive issues. Some cats will yowl for no reason at all, which can not only be frustrating but can also be difficult to stop. More »

www.reference.com Pets & Animals Pets Cats