<prompt> Drug of choice for MRSA skin infection isStreptograminVancomycinQuinupristinLinezolid  <response>: B Vancomycin Drugs used in the treatment of MRSA: Vancomycin, Linezolid, Teicoplanin, Cotrimoxazole, Oxacillin, RifampicinTREATMENT OF COMMON INFECTIONS OF THE SKINDiagnosisConditionPrimary TreatmentAlternative TreatmentAnimal bite prophylaxis or early infectionAmoxicillinclavulanate, 875125 mg PO bidDoxycycline, 100 mg PO bidAnimal bitea established infectionAmpicillinsulbactam, 1.5-3.0 g IV q6hClindamycin, 600-900 mg IV q8h plusCiprofloxacin, 400 mg IV q12horCefoxitin, 2 g IV q6hBacillary angiomatosisErythromycin, 500 mg PO qidDoxycycline, 100 mg PO bidHerpes simplex primary genitalAcyclovir, 400 mg PO tid for 10 daysFamciclovir, 250 mg PO tid for 5-10 daysorValacyclovir, 1000 mg PO bid for 10 daysHerpes zoster immunocompetentAcyclovir, 800 mg PO 5 times daily forFamciclovir, 500 mg PO tid for 7-10 dayshost 50 years of age7-10 daysorValacyclovir, 1000 mg PO tid for 7 daysCellulitis staphylococcal or streptococcalb.cNafcillin or oxacillin, 2 g IV q4-6hCefazolin, 1-2 g q8horAmpicillinsulbactam, 1.5-3.0 g IV q6horErythromycin, 0.5-1.0 g IV q6horClindamycin, 600-900 mg IV q8hMRSA skin infectionVancomycin, 1 g IV q12hLinezolid, 600 mg IV q12hNecrotizing fasciitis group A streptococcalbClindamycin, 600-900 mg IV q6-8hplusPenicillin G, 4 million units IV q4hClindamycin, 600-900 mg IV q6-8hplusCephalosporin first- or second-generationNecrotizing fasciitis mixed aerobes and anaerobesAmpicillin, 2 g IV q4hplusClindamycin, 600-900 mg IV q6-8hplusCiprofloxacin, 400 mg IV q6-8hVancomycin, 1 g IV q6hplusMetronidazole, 500 mg IV q6hplusCiprofloxacin, 400 mg IV q6-8hGas gangreneClindamycin, 600-900 mg IV q6-8hplusPenicillin G, 4 million units IV q4-6hClindamycin, 600-900 mg IV q6-8hplusCefoxitin, 2 g IV q6h 