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Ann Dermatol Venereol. 2003 May;130(5):511-3.

[Efficacy of botulinum toxin A in the treatment of axillary and palmar hyperhidrosis: 10 cases].

[Article in French]

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  • 1Service de Dermatologie, Centre Hospitalier, 72034 Le Mans Cedex.


Axilliary and palmar hyperhidrosis can become a considerable social and psychological handicap. Local treatments are not always effective and endoscopic thoracic sympathectomy is not without side effects. The efficacy of botulinum toxin has recently been demonstrated in axillary and palmar hyperhidrosis. Between June 2001 and June 2002, we treated all the patients presenting with axillary and palmar hyperhidrosis, resistant to classical treatments, with intradermal injections of botulinum toxin A (Dysport). The aim was to assess the interest of this technique at moderate doses, in a prospective, open, controlled study.


The hyperhidrotic areas, revealed by Minor's test, were treated with intradermal injections of 100 U of Dysport in the axilliary form and 250 U in the palmar form. Patients were seen after 1 month and 6 months and underwent a Minor's test, photographic control and they filled-in a questionnaire to measure their satisfaction.


Ten patients: 9 women and 1 man aged 19 to 63, were included. Three of them consulted for palmar hyperhidrosis and 7 for auxiliary hyperhidrosis. Within 2 to 7 days, treatment was successful in all patients. The follow-up was of 3 to 12 months. The satisfaction index was comprised between 7/10 and 9/10. The relapse-free interval was of 2 to 9 months. Three patients were given a second injection, which doubled the relapse-free period. Side effects included pain with the palmar injections and moderate headaches.


This French study confirms the efficacy of botulinum toxin A in the treatment of axillary and palmar hyperhidrosis with relatively low doses (100 U of Dysport per armpit and 250 U per palm). This is an easily reproducible, well tolerated, method without major side effects.

[PubMed - indexed for MEDLINE]
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