Botox for Excessive Sweating BOTOX ® FOR UNDERARM SWEATING Unlike topical treatments, Botox ® targets sweating as its source. Our doctor injects tiny amounts of Botox ® into both underarms, skillfully and safely. The treatment takes only a minute or two. Botox enters the sweat glands in the underarms responsible for sweating and blocks sweat release. Patients treated with Botox…