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Gustatory sweating is an autonomic disorder that frequently occurs after carotid gland surgery.We investigated the action of intracutaneous injections of botulinum toxin(BTX)(1.0-2.0 mouse units/2.25 cm skin area) in 45 patients(mean age,52 years)with gustatory sweating.Half the patients rated gustatory sweating subjectively as completely abolished,and the remainder felt pronounced improvement.No toxic effects were observed.In none of the patients did hyperhidrosis recur over a 6-month follow-up.We conclude that BTX is a safe and effective treatment that can be recommended as the therapy of choice in gustatory sweating. |
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