Keflex how soon infectionKeflex how soon infectionYour doctor will only prescribe Keflex to treat a bacterial infection; it will not cure a viral . . to-skin contact), and how soon . history of facial staph infections, and was recently rediagnosed with it - two small boils on my cheek. . i was prescribed 500 mg keflex b. . Keflex comes in both capsule and liquid form . . . Keflex . is used to treat a wide variety of bacterial infections. . . see a dentist as soon as you can so the cause of the... more