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Self-abusive behavior, noted frequently in congenital sensory neuropathy, was observed in two children with acquired peripheral nerve dysfunction. In one case a laceration over the median nerve was followed by self-induced trauma to the fingers distal to the cut, while the other patient developed self-mutilation in all the extremities following insecticide poisoning and presented with signs of diffuse peripheral neuropathy. Improvement of the self-injurious behavior in each case seemed temporally related to the use of anticonvulsant medications, a treatment that is often suggested for older patients with paresthesias related to peripheral neuropathy. The apparent improvement in these two patients suggests that a trial of these drugs in additional patients with self-abusive behavior associated with peripheral neuropathy would be justified.

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