MinocyclineDoxycyclinePropionibacterium acnesAnti-Bacterial AgentsTetracyclines2-PyridinylmethylsulfinylbenzimidazolesEsomeprazoleRabeprazoleDouble-Blind MethodAnti-Ulcer AgentsBenzimidazolesTetracyclineOmeprazoleTreatment OutcomeDermatologic AgentsAcne KeloidDose-Response Relationship, DrugSebumBenzoyl PeroxideMicrogliaIsotretinoinNeuroprotective AgentsPropionibacteriumSebaceous GlandsGram-Positive Bacterial InfectionsOxytetracyclineAcne VulgarisMicrobial Sensitivity TestsTetracycline ResistanceMethacyclineNeurogenic InflammationAcneiform EruptionsDemeclocycline