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Botulinum Toxin for Excessive Sweating



Excessive sweating (hyperhidrosis) is a problem faced by many people, and can occur in various parts of the body. The most common parts affected are the palms of the hands or armpits, but it may also affect the head, face, groin, or back. It can be a source of embarrassment especially if sweat stains are visible in public. Many individuals have suffered from this condition since their adolescent years, and continue to sweat regardless of hot or cold weather.

Sweat is usually produced by glands when the temperature is hot or during exercise, and if you have a fever or are under stress. This trigger is controlled by nerves that will shut off the production of sweat when these factors are not present. Hyperhidrosis is a condition where the sweat glands never stop producing sweat, resulting in perspiration even in air-conditioned areas.



Botulinum toxin works by preventing the chemical nerve triggers that induce the production of sweat. As there is no longer a signal to continue producing sweat, the glands will stop. This method also provides an alternative to surgery, but this is often a last resort and botulinum toxin injections can usually help to solve the problem without much fuss at all.

A numbing cream will help to minimise any discomfort or pain, while the smallest, finest needles will be used to inject botulinum toxin into the treatment area. You may notice some minimal bruising, temporary numbness or a mild headache but this will subside fairly quickly, while actual side effects as a result of botulinum toxin injections are rare.

The treatment will take up to a week to kick in, after which you should notice a reduction in sweat production. There is also no downtime needed after treatment, and you may resume daily activities without any worry.


The effect of Botox on the sweat glands last for 6-8 months, after which a top-up treatment is required to maintain the prevention of excessive sweating. Your doctor will be on hand to guide and advise you about the best way to go about this, as well as the options available to you.

Watch how Botulinum Toxin is performed