[So-called post-herpetic neuralgia and phantom limb pain: therapeutic concepts needing review].

After a brief review of the most recent findings on peripheral nerve nociception and deafferentation, the advisability of considering two so-called neuralgias - postherpetic neuralgia and phantom limb pain - in the more complex framework of deafferentation syndromes is examined together with the consequent need for a basic review of the therapeutic approaches pursued up to the present in the antalgic treatment of these two syndromes.