ADULTS: 250-500 MG I.V. EVERY 4-6 HOURS (MILD TO MODERATE INFECTIONS)
1 GRAM I.V. EVERY 4-6 HOURS (SEVERE INFECTIONS)
IN SEVERE STAPHYLOCOCCAL INFECTIONS, THERAPY WITH OXACILLIN SHOULD BE CONTINUED FOR AT LEAST 14 DAYS. THERAPY SHOULD BE CONTINUED FOR AT LEAST 48 HOURS AFTER THE PATIENT HAS BECOME AFEBRILE, ASYMPTOMATIC, AND CULTURES ARE NEGATIVE. TREATMENT OF ENDOCARDITIS AND OSTEOMYELITIS MAY REQUIRE A LONGER DURATION OF THERAPY.