Rimadyl is also known as "carprofen" which is used for the treatment of dog arthritis. Rimadyl for dogs is a pain reliever, non-steroidal and a safe medication to give to your dog if it is suffering from dog arthritis or if your pet just had a soft tissue surgery. This medication can also be used to reduce fever and other symptoms. Rimadyl is avaliable in different doses such as 25mg, 75mg and 100mg. Talk to your vet about rimadyl.