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Correspondence
February 2003

Systemic Adverse Effects After Botulinum Toxin Type B (Myobloc) Injections for the Treatment of Palmar Hyperhidrosis

Arch Dermatol. 2003;139(2):226. doi:10.1001/archderm.139.2.226

We describe a patient who experienced systemic adverse effects after the injection of botulinum toxin type B (Myobloc) to treat palmar hyperhidrosis. The adverse effects included blurry vision, indigestion, and a severe dry throat associated with dysphagia. Although systemic adverse effects have been described in the medical literature after the use of botulinum toxin type B for the treatment of cervical dystonia, to our knowledge, it has never been described as being associated with the treatment of palmar hyperhidrosis.

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