Hyperhidrosis is a condition that causes the sweat glands to enlarge and produce excess perspiration. It can occur in sweat glands all over the body, including hands and feet, but it most common in the underarm area (axillary hyperhidrosis). A prescription called Drysol can be an effective remedy that works by causing the enlarged sweat glands to shrink down to their normal size. Injections of Botox (a purified form of botulinum toxin) are also an effective treatment for hyperhidrosis but do require continued maintenance. The series of injections needs to be repeated about 2 to 3 times a year and is typically not covered by insurance. When Botox is injected directly into muscles surrounding the enlarged sweat glands in the axillary areas (armpits), it temporarily inhibits the sweat glands from producing excess sweat. Response is usually seen within 7 to 10 days after injections, and several sessions may be needed to complete the series and achieve the best results.
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