If your dog has ever been treated for a urinary tract infection or a skin infection, there’s a good chance they were prescribed cephalexin. What exactly is this drug, and what is cephalexin used for ...

Cephalexin is a generic drug that’s prescribed for certain bacterial infections in adults and children. As with other drugs, cephalexin can cause side effects, such as diarrhea, nausea, or vomiting.