





Interferential Current Therapy versus Narrow Band Ultraviolet B Radiation in the Treatment of Post Herpetic Neuralgia
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Objective: To compare the efficacy of interferential current therapy versus narrow band ultraviolet B radiation in the treatment of post herpetic neuralgia.
Subjects: Forty nine patients suffering from distressing post herpetic neuralgia. assigned randomly into 2 groups; interferential group and narrow band ultraviolet B group. Intensity of pain was recorded before and after therapy using numerical rating scale.
Results: The results of this study showed no significant difference in pain intensity post treatment between both groups in acute and subacute neuralgia as p value > 0.05 while there was significant difference between both groups in established neuralgia as p value< 0.05.
Conclusion: The study concluded that interferential current and narrow band ultraviolet B were effective in acute and subacute neuralgia, while only interferential is effective in established neuralgia.
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