In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy. Dosage for Keflex Adults And Pediatric Patients At Least 15 Years Of Age The usual dose of oral KEFLEX is 250 mg every 6 hours, but a dose of 500 mg every 12 ...
you may not be able to clear this drug from your body. This may increase the levels of this drug in your body and cause more side effects. Your doctor may adjust your dose if you have kidney disease.