What is Hyperhidrosis (Axillary)
Hyperhidrosis means excessive sweating. People with hyperhidrosis produce sweat in amounts far greater than needed to control their temperature. It is thought that about 0.5% of the population (or about one person in 200) has some form of hyperhidrosis.
Hyperhidrosis can affect the armpits, hands, feet or face but armpits are the most common issue.
Most patients say that their excessive sweating is triggered more by social situations and stress than temperature.
How is Hyperhidrosis treated?
Initially, simple self-help measures may be useful:
- Cool clothing
- Avoiding certain foods which may trigger sweating
- Reducing stress, tension or anxiety
- Increased attention to personal hygiene
Treatments
- Aluminium chloride is the active ingredient of some roll-on or aerosol anti-perspirants. It is used in stronger solutions to treat hyperhidrosis. The effects last only for 48 hours.
- There are a variety of drug treatments available. Some of these affect the body's entire nervous system and side effects such as a dry mouth, drowsiness and constipation can be troublesome. Where sweating is made worse by stress or anxiety, other drugs (beta blockers) may be used with less troublesome side effects.
- Injections of botulinum toxin (type A) into the skin has been shown to be a very effective treatment for axillary (armpit) hyperhidrosis. Effects start within the first week after treatment and last for an average of four months before further injections are required. Side effects are rarely troublesome.
- Surgery can provide a permanent solution but the side effects can be serious. Surgery is usually considered when other methods of treatment have not worked.
Botulinum Toxin Injections
The most effective treatment for excessive sweating is injection of botulinum toxin (Botox) into the skin of the armpits.
At the first treatment, your armpits will be treated with a solution which shows up the sweating points, then the area marked with a skin pencil.
A number of tiny injections are made around the sweat producing area on both armpits. They are not very painful and the marks settle within a few minutes. The effect comes on after 3-5 days as the sweat glands drastically reduce the amount of sweat they produce. The effect generally lasts 4-6 months.
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