, previously known as botulinum toxin type A
) is a prescription injection that is approved for various uses. Although it is most commonly used to temporarily improve the appearance of facial lines, healthcare providers may occasionally treat sweating problems with Botox.
Sweating is a normal and necessary way for the body to cool itself. However, some people sweat more than is necessary. While severe sweating may be caused by certain medications or medical conditions, it can also occur for no apparent reason (this is known as primary hyperhidrosis). Botox is approved to treat primary hyperhidrosis of the underarm that has not responded adequately to antiperspirants.
Studies of Botox for severe sweating in the underarm showed that up to 86 percent of people who received injections decreased their sweat production by 50 percent or more, compared to up to 45 percent of people receiving placebo injections (with no active ingredient). The beneficial effects lasted an average of 200 days.
(Click Botox Uses for more information on treating sweating problems with Botox, to learn about other uses for this medication, and to find out if this drug is suitable for children.)