Why post herpetic neuralgia occurs is a mystery. There is evidence that the virus damages the nerves, which results in intense pain that is long lasting. In most cases the pain can last anywhere from a few months to several years.
Post herpetic neuralgia is somewhat more common after the age of 60. Almost 50% of adults who develop shingles go on to experience post herpetic neuralgia.
There is no one standard treatment for all patients with post herpetic neuralgia. In most cases, the physician prescribes one drug and if that fails, another drug is selected. A trial and error philosophy is the classic method of treating this awful disorder.
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