1. A broad-spectrum antibiotic of the cephalosporin class, used to treat bacterial infections such as respiratory tract infections, skin infections, and urinary tract infections.
Usage: medical/pharmaceutical term; commonly prescribed medication; often abbreviated as Keflex (brand name)

Examples

• The doctor prescribed cephalexin to treat the patient's strep throat infection.
• Cephalexin is effective against many common bacterial pathogens.
• She took cephalexin for ten days to clear up her skin infection.
• Patients allergic to penicillin may also be allergic to cephalexin.
• The pharmacist explained that cephalexin should be taken with or without food.