DoxycyclinePropionibacterium acnesAnti-Bacterial AgentsTetracyclinesTetracyclineContraceptives, OralMatrix Metalloproteinase InhibitorsAcne KeloidDermatologic AgentsSebumBenzoyl PeroxideContraceptives, PostcoitalContraceptives, Oral, CombinedContraceptives, Oral, HormonalIsotretinoinPropionibacteriumMinocyclineSebaceous GlandsOxytetracyclineAzithromycinGram-Positive Bacterial InfectionsBrucellosisContraception, PostcoitalFilaricidesDrug Therapy, CombinationContraception BehaviorContraceptive Agents, FemaleMicrobial Sensitivity TestsEthinyl EstradiolContraceptionAnti-Infective AgentsTreatment OutcomeMedication AdherenceMatrix Metalloproteinase 8Administration, OralErythromycinDrug PackagingContraceptive Devices, FemaleRosaceaDesogestrelDrugs, Chinese HerbalContraceptives, Oral, SyntheticDouble-Blind MethodAdministration, Topical