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So, this is a new one for me. Someone asked me about using High dose vitamin A (24,000 IU qd) for treating acne because they don't want to take oral Abx and they said it is making their skin clear. It makes sense based on the efficacy of all the topical Vit A derivatives and accutane. I've looked at literature and everything is pretty old and not super robust. I guess I'd me most concern about chronic toxicity/hepatotoxicity but some studies have used up to 100,000 units/qd without problems. Any opinion? I'd be more happy if they used a topical prep but cost may be an issue
