Rimadyl is a non-steroidal anti-inflammatory drug (NSAID) used in dogs for the treatment of pain associated with surgery and dental procedures. Rimadyl is also used for the treatment of inflammation in dogs for conditions such as arthritis or hip dysplasia.
Side effects include loss of appetite, vomiting, diarrhea, dark or tarry stools, increased thirst and urination, lethargy, incoordination, seizure or behavioral changes. Symptoms of an allergic reaction to this medication can include facial swelling, hives and rash.