Cephalexin (
Keflex) is an inexpensive drug used to treat certain kinds of
bacterial infections. It is more popular than comparable drugs. It is available in generic and brand versions. Generic cephalexin is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower. Get Cephalexin for as low as $24.76, which is 75% off the average retail price of $100.90 for the most common version, by using a GoodRx coupon.