Keflex® (
cephalexin) is a prescription drug licensed to treat and prevent various types of infections. It comes in capsule and liquid form, and is available in many different strengths.
Bacterial Infections
The recommended dosage for treating most types of bacterial infections is Keflex 250 mg to 1000 mg, taken four times a day for 7 to 14 days. For chronic or more serious infections, your healthcare provider may continue treatment for a longer time.
In children, the dose can range, depending on body weight, from 25 mg to 100 mg per kilogram of body weight per day (mg/kg/day). The dosage is divided and taken three to four times a day for 7 to 14 days.
Bacterial Endocarditis
The recommended dose of Keflex for the prevention of bacterial endocarditis in adults is 2000 mg, taken one hour before a surgical procedure is performed. The recommended dosage for the prevention of bacterial endocarditis in children is 50 mg per kilogram of body weight, taken one hour before a surgical procedure is performed.
(Click Keflex Dosage for more information on when and how to take Keflex, how your healthcare provider will determine an appropriate dosage for your situation, and tips on using this medication.)
