Results from reactivation of latent varicella-zoster virus (VZV) (human herpesvirus type 3) infection
Postherpetic neuralgia (PHN) is defined as pain persisting at least 1 month after...
Prodromal phase (sensory changes over involved dermatome prior to rash)
Boring “knife-like” pain
Allodynia and hyperalgesia
Treat to control symptoms and prevent complications.
Antiviral therapy decreases viral replication; lessens inflammation and nerve damage and reduces the severity and duration...
B02.9 Zoster without complications
B02.29 Other postherpetic nervous system involvement
053.9 Herpes zoster without mention of complication
053.10 Herpes zoster with unspecified nervous sy...
Antiviral therapy within 72 hours of the onset of rash is most effective.
Patients with active herpes zoster can transmit clinically active disease (chickenpox) to susceptible individua...
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