Real dermatology advice, written for real people. Evidence-based acne care, treatment guides, and expert insights.

Does biotin cause acne? High-dose B7 may compete with vitamin B5, but the evidence is thin. Here's what's known, who should be careful, and what to do.

Is 40 mg Accutane considered to be a high dose? Usually not. See 40 mg as mg/kg/day for 7 body weights, how long a course takes, and why daily dose matters less.

So what is considered a high dose of Accutane? It all depends. Learn about the daily and total mg/kg cutoffs, when higher doses are used, and how side effects scale with dose.