How Long Does It Take for Accutane to Start Working?
Medically reviewed by Lauren Okafor | MD, The Frank H Netter MD School of Medicine, Loyola University Medical Center on August 22nd, 2026.
Most patients begin seeing improvements from Accutane within 4-6 weeks of starting treatment. Initial changes often include reduced oil production and fewer new breakouts during the first month. However, significant clearing typically occurs after 8-12 weeks of consistent use. The medication works by shrinking sebaceous glands and reducing inflammation, which takes time to produce visible results. Some patients may experience an initial flare-up during the first few weeks before improvement begins. Complete treatment courses usually last 16-20 weeks, with maximum benefits often seen toward the end of therapy.
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