DoxycyclineCapsulesPropionibacterium acnesAdministration, OralDouble-Blind MethodBacterial CapsulesCapsule EndoscopyJoint CapsuleLens Capsule, CrystallineAnti-Bacterial AgentsCapsule EndoscopesTetracyclinesTetracyclineMatrix Metalloproteinase InhibitorsInternal CapsuleAcne KeloidDermatologic AgentsSebumBenzoyl PeroxideIsotretinoinPropionibacteriumMinocyclineSebaceous GlandsOxytetracyclineGram-Positive Bacterial InfectionsAzithromycinBrucellosisFungal CapsulesFilaricidesBowman CapsuleMicrobial Sensitivity TestsSubrenal Capsule AssayDrug Therapy, CombinationAnti-Infective AgentsErythromycinTreatment OutcomeMatrix Metalloproteinase 8RosaceaAdministration, Topical