Common infections that are treated with Keflex include infections of the middle ear, tonsils, throat, larynx laryngitis, bronchi bronchitis and pneumonia as well as in urinary tract, skin, and bones.

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.