Anecdotal evidence suggests that pain can be reduced by activity in the brain involved in imagined movement of the phantom limb.
Amitriptyline has been shown to help in treatment of migraine and tension headache, post herpetic neuralgia as well as phantom limb pain.
Other types of abnormal pain include allodynia, hyperalgesia, and phantom limb pain.
"Phantom-limb Pain: Characteristics, Causes, and Treatment."
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