Iatrogenic botulism after the therapeutic use of botulinum toxin-A: a case report and review of the literature.

ABSTRACT

Local injection of botulinum toxin-A is an accepted treatment for hyperhidrosis. We report 2 cases of primary hyperhidrosis who developed iatrogenic botulism after the therapeutic dose of onabotulinumtoxinA (Botox). This case report highlights the necessity of clinicians having sufficient information of potentially adverse effects, optimal dose, and correct preparation and injection of botulinum toxin-A.