Virkemåden for Botox ved hyperhidrosis anses for at være hæmning af kolinergt induceret heftig sveden ved at blokere de autonome sympatiske nervefibre, som innerverer svedkirtlerne.
The mechanism of action of Botox in hyperhidrosis is thought to be the inhibition of cholinergically-induced excessive sweating by blockage of autonomic sympathetic nerve fibres innervating sweat glands.