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Can Botox Treat Hyperhidrosis?

Botox is effective for treating hyperhidrosis (severe sweating) at the underarms and is FDA approved for this purpose. Normally, about 50 units is placed at each axilla and the results can last 3-6 months depending on how active your sweat glands are. The treatment is quick and minimally painful. It is always best to have a consultation with a physician to see if you are a good candidate for treatment.

Clinical Context

Before treatment, your doctor confirms the sweating is true focal hyperhidrosis rather than a symptom of a thyroid problem or medication side effect. Severity matters: someone soaking through shirts differs from someone with mild dampness. Some doctors use a simple iodine-starch test on the skin to identify exactly where sweat glands are most active, helping guide injections. Whether you've already tried strong antiperspirants or iontophoresis may also influence timing.

Answered By

Dr. Steven Williams

President Emeritus of ASPS

Dr. Steven Williams is a board-certified plastic and reconstructive surgeon, a diplomate of the American Board of Plastic Surgery, the Past President of the prestigious American Society of Plastic Surgeons, and a charitable person who dedicates his life to those in need of his unique expertise.

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