How effective are sodium chloride solution injections for the treatment of hyperhidrosis?

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

In a similar study, the effects of sodium chloride solution injections in one palm were compared with botulinum toxin injections in the other palm. [54] Treatment with 120 mouse units of botulinum toxin (injected into 6 sites in the palm) resulted in a 26% reduction in sweat production after 3 and 8 weeks and a 31% reduction after 13 weeks. Noted adverse effects included minor muscle weakness at the toxin-treated sites, which resolved after 2-5 weeks. Injections of botulinum toxin must be repeated at varying intervals to maintain long-term results.


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