Safety and Efficacy of Different Systemic Treatment Modalities for Acute Pain of Herpes Zoster: A Pilot Study.

Background: Herpes zoster is a viral infection of skin caused by Varicella Zoster virus. The most important symptom for which the patient seeks medical advice is pain, which is perceived before the development of rash and lasts even after its resolution. The pain during the first 30 days after onset of herpes zoster is known as acute herpetic neuralgia.