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Postherpetic Neuralgia (cont.)

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How is postherpetic neuralgia diagnosed?

The majority of patients who are diagnosed with PHN are done by follow-up of a shingles infection or by the patient's history of a recent shingles infection. The pain is located in the same nerve distribution (dermatome) area, usually on only one side of the person's body where the shingles lesions occurred.

How is postherpetic neuralgia treated?

Treatment is individualized for each patient; there is no treatment that is effective for all PHN patients, so clinicians often use two or more of the drug categories with examples listed below:

  • Lidocaine skin patches ([Lidoderm] small, bandage-like patches applied to painful areas)
  • Capsaicin skin patches ([Capsagel, Salonpas] applied in a doctor's office by trained staff)
  • Opioids (tramadol [Ultram], oxycodone [OxyContin], morphine)
  • Anticonvulsants (pregabalin [Lyrica], gabapentin [Neurontin]) have been shown to lessen the pain of PHN probably by stabilizing abnormal electrical activity in your nervous system.
  • Antidepressants (venlafaxine [Effexor], duloxetine [Cymbalta]) are often prescribed in lower doses than for depression.

Because some drugs (opioids) can be addictive and because some patients may need long-term treatments (over one year), consultation with a pain-management specialist may be advised. Some individuals claim tamanu oil rubbed into the affected may reduce the symptoms of PHN. One small study and a few case reports indicate that acupuncture can be helpful in relieving the pain of PHN. Infrequently, other methods are used. TENS (transcutaneous electrical nerve stimulation) devices are designed to interrupt the body's pain sensations while nerve blocks (short-term chemical nerve sensation blockade) and nerve ablation (surgically cutting a nerve) are also used. Results vary but the methods often do not give lasting pain relief.

Medically Reviewed by a Doctor on 3/28/2013

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Postherpetic Neuralgia - Symptoms and Signs Question: What symptoms and signs did you experience with postherpetic neuralgia (PHN)?
Postherpetic Neuralgia - Treatment Question: What treatment was effective for your postherpetic neuralgia?
Source: MedicineNet.com
http://www.medicinenet.com/postherpetic_neuralgia/article.htm

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