Local hyperhidrosis is the term for excessive sweating that usually occurs in the hands, trunk, feet and armpits (axillae). The main problems are related to social interactions, for example, embarrassment when shaking hands, hugging, dancing and sweating through a business shirt. Patients also complain of the inconvenience of changing clothes several times a day.


In recent years, cosmetic injections have been used to significantly decrease sweating with minimal side effects, blocking the action of the nerves that supply the sweat glands and stopping them producing sweat.

Using a very fine needle, after a few cosmetic injections into the skin of the affected site in about 15 areas spaced approximately 1cm apart. Sometimes an iodine and starch test is used to locate the area where sweating is greatest.

How long do results last?

It takes 3 to 7 days following treatment for noticable improvment. A slow return to sweating approximately 7-8 months following hyperhidrosis treatment is usual but it is not uncommon to get 11-12months of relief. The treatment can then be repeated.