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Hyperhidrosis

Hyperhidrosis is a condition characterized by excessive sweating that can significantly affect the quality of life. One of the most effective treatments is the application of botulinum toxin to temporarily block the nerve stimulus that activates the sweat glands.

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The term “hyperhidrosis” refers to excessive sweating. It is a relatively common condition and is not serious, but it can greatly impact the patient’s quality of life by interfering with their interpersonal relationships and work environment.

Sweat is produced by a type of sweat gland called “eccrine.” Its function is to regulate body temperature and help humans adapt to their environment. These glands are distributed over almost the entire surface of the skin and their function is regulated by nerve fibers.

The cause of hyperhidrosis is not known, but it seems that there is an overstimulation of the glands through nerve impulses. It occurs equally in men and women, it is frequent that the history begins in childhood or puberty and that there are other affected family members, besides worsening with certain emotional stimuli. It usually persists for a few years, but there is a tendency for spontaneous improvement.

Treatment with injections of botulinum toxin

Botulinum toxin is used to treat hyperhidrosis because it produces a nerve block, preventing the transmission of “information” to the gland, thus inhibiting the stimulus for sweat production. It’s injected at various points using a syringe and needle into the areas to be treated, typically the armpits and palms. The effect on reducing sweating is noticeable within a few days and lasts around 6 months.

The treatment is performed by microinjections of botulinum toxin in the areas with excessive sweating. The substance acts by temporarily blocking the nerve signal that activates the sweat glands, significantly reducing sweat production. It is an outpatient procedure, well tolerated, and with a rapid onset of effect, usually within a few days.

Where is it applied?

The most frequent areas of application are:

Underarms
Palms of the hands
Soles of the feet
Forehead or other localized areas (according to medical assessment)

How long do the effects of the treatment last?

The effect of botulinum toxin on sweating usually lasts about 6 months. After this time, the treatment can be repeated if necessary. The duration may vary slightly depending on the area treated and the individual patient’s response.

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