What is the recommended dose of over-the-counter biotin for the treatment of hair loss in women? – Carolyn Adamich, ANP-C, Huntington Beach, Calif.

I advise my female patients who are experiencing hair loss to take 5,000 mcg biotin every day. Be sure to remind these women to avoid vitamin A supplementation, as this can cause hair loss.—Abby A. Jacobson, PA-C (189-1)

These are letters from practitioners around the country who want to share their clinical problems and successes, observations and pearls with their colleagues. We invite you to participate. If you have a clinical pearl, submit it here.

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