• Linda K Oge', Alan Broussard, and Marilyn D Marshall.
• Louisiana State University Health Sciences Center-University Hospital and Clinics, Lafayette, LA, USA.
• Am Fam Physician. 2019 Oct 15; 100 (8): 475-484.

AbstractAcne vulgaris is the most prevalent chronic skin disease in the United States, affecting nearly 50 million people per year, mostly adolescents and young adults. Potential sequelae of acne, such as scarring, dyspigmentation, and low self-esteem, may result in significant morbidity. Typical acne lesions involve the pilosebaceous follicles and the interrelated processes of sebum production, Cutibacterium acnes (previously called Propionibacterium acnes) colonization, and inflammation. Acne may be classified as mild, moderate, or severe based on the number and type of skin lesions. Multiple treatment agents and formulations are available, with each agent targeting a specific area within acne pathogenesis. Treatment selection is based on disease severity, patient preference, and tolerability. Topical retinoids are indicated for acne of any severity and for maintenance therapy. Systemic and topical antibiotics should be used only in combination with benzoyl peroxide and retinoids and for a maximum of 12 weeks. Isotretinoin is used for severe, recalcitrant acne. Because of the risk of teratogenicity, patients, pharmacists, and prescribers must register with the U.S. Food and Drug Administration-mandated risk management program, iPledge, before implementing isotretinoin therapy. There is limited evidence for physical modalities (e.g., laser therapy, light therapy, chemical peels) and complementary therapies (e.g., purified bee venom, low-glycemic-load diet, tea tree oil); therefore, further study is required.

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