Prognosis
Herpes zoster rarely causes fatalities in patients who are immunocompetent, but it can be life-threatening in immunocompromised patients. Ocular complications occur in 50% to 90% of the cases, resulting in either temporary or permanently decreased visual acuity or blindness if untreated.[90][113][114] Other complications include bacterial superinfections (1.1%), peripheral nerve palsies (1.8%), sensory loss (1.8%), and disseminated HZ (1.7%).[115]
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