Four post-amputation patients (1 with phantom pain, 3 with stump pain) were each treated with 100 IU botulinum toxin A, divided between several trigger points in the distal stump musculature. In 1 female patient (along with a pronounced reduction in phantom pain) hyperhidrosis of the stump ceased completely, probably after diffusion of the drug into the dermal sweat glands, leading to longer and s ...
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