Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 12/7/2025

Acne Treatment and Management

Introduction to Acne Treatment

  • The American Academy of Dermatology recommends evaluating quality of life impact and presence of scarring, as these factors warrant more aggressive treatment regardless of lesion count 2
  • Topical retinoids (tretinoin, adapalene, tazarotene, trifarotene) combined with benzoyl peroxide are first-line treatments for all acne severities 1, 2

Acne Treatment Options

  • Oral antibiotics (doxycycline, minocycline) combined with topical retinoids and benzoyl peroxide reduce inflammatory lesions by 58% at 6 months, although the exact percentage may vary depending on the population and intervention 1
  • Combined oral contraceptives reduce inflammatory lesions by 62% at 6 months in females 2
  • Isotretinoin is the most effective treatment, targeting all four pathogenic factors of acne, and is indicated for acne with significant psychosocial burden, even if severity is moderate 2

Guidelines for Acne Treatment

  • The American Academy of Dermatology strongly advises against using topical antibiotics as monotherapy due to rapid resistance development 2
  • Topical antibiotics (clindamycin, erythromycin) must always be combined with benzoyl peroxide to prevent bacterial resistance 2
  • Systemic antibiotics should be limited to 3-4 months maximum and always used with benzoyl peroxide 2

Mechanism of Acne Treatments

  • Topical retinoids address altered keratinization and microcomedones through comedolytic and anti-inflammatory properties 2
  • Benzoyl peroxide provides antimicrobial activity by releasing free oxygen radicals, with no bacterial resistance reported 2
  • Oral antibiotics reduce C. acnes colonization and provide anti-inflammatory effects 1
  • Hormonal therapies (combined oral contraceptives, spironolactone) reduce androgen-induced sebum production in females 1, 2

REFERENCES

1

Acne Vulgaris Treatment Guidelines [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2026

2

guidelines of care for the management of acne vulgaris. [LINK]

Journal of the American Academy of Dermatology, 2024