Why are botulinum toxin injections an effective treatment for hyperhidrosis?

Updated: Mar 23, 2021
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: William D James, MD  more...
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Answer

Botulinum toxin injections are effective because of their anticholinergic effects at the neuromuscular junction and in the postganglionic sympathetic cholinergic nerves in the sweat glands. [46, 47, 48, 49, 50]


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