TEVA Cephalexin Tablet is a prescription oral antibiotic available in 250 mg and 500 mg strengths. Each tablet contains cephalexin monohydrate and is offered in 100-count and 500-count bottles to fit dispensing needs. The tablet format is intended for oral administration. Health Canada DINs: 00583413 (250 mg) and 00583421 (500 mg). Brand: TEVA.