ClindamycinTretinoinKeratolytic AgentsAcne VulgarisLentigoOintmentsAdministration, TopicalSkin AgingCosmeticsChemexfoliationDermatologic AgentsHyperpigmentationAcitretinAnti-Bacterial AgentsErythromycinNicotinic AcidsLincomycinMelanosisEmollientsTrichloroacetic AcidKeratosis, ActinicSkin CareFacial InjuriesMicrobial Sensitivity TestsCarcinoma, Basal CellBacteria, AnaerobicBacteroides fragilisRetinoidsSkinAdministration, CutaneousDrug Resistance, BacterialMacrolidesBacteroides InfectionsSkin PigmentationDrug CombinationsMetronidazoleLincosamidesDrug Resistance, MicrobialStreptococcal InfectionsCefoxitinKetolidesDouble-Blind MethodStaphylococcus aureusStaphylococcal InfectionsBacteroidesTetracyclineStaphylococcusStreptococcus pyogenesBacteria, AerobicStreptococcus agalactiaeGentamicinsVaginosis, BacterialStreptogramin BVirginiamycinVaginal Creams, Foams, and JelliesPenicillinsAbscessClostridium difficileTreatment OutcomeAntineoplastic AgentsStaphylococcal Skin InfectionsAza CompoundsDrug Therapy, CombinationEnterocolitis, PseudomembranousDrug Resistance, Multiple, BacterialBacterial InfectionsAnti-Infective AgentsMethicillin ResistanceAzithromycinStreptograminsStreptococcus pneumoniaeMethicillin-Resistant Staphylococcus aureusMiocamycinPenicillin GPenicillin ResistanceSoft Tissue InfectionsOxazolidinonesStreptococcus