Cephalexin is a generic prescription drug that treats infections. Only the oral capsule comes in a brand-name version called Keflex. Cephalexin can cause side effects ranging from mild to serious.

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.

MiraLAX (polyethylene glycol 3350) is a brand-name powder that’s mixed into a beverage and taken by mouth. It’s available over the counter and can be used for constipation or before a colonoscopy as a ...