Harvard Women's Health Watch

Conditions: When sweating is too much

Hyperhidrosis can dampen your social life and interfere with work. Fortunately, there are several ways to manage it.

Excessive sweating, or hyperhidrosis, can take a serious toll, making handshakes unpleasant, intimacy difficult, and some types of work impossible. People with hyperhidrosis may have to change their blouses or shirts two or three times a day. Although the underarms, palms, feet, and groin are most often involved, any part of the body may be affected. The condition is also associated with certain skin problems, including atopic dermatitis. And it's not rare — 2% to 3% of the population suffers from hyperhidrosis.

Botox for hyperhidrosis

illustration of skin cross-section showing botox procedure

Acetylcholine is a neurotransmitter that activates sweat glands. Botox blocks the release of acetylcholine in the nerve ending, preventing the nerve cell from communicating with the sweat gland.

To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »