What are the prodromal symptoms of herpes zoster ophthalmicus (HZO)?

Updated: Feb 11, 2021
  • Author: Camila K Janniger, MD; Chief Editor: Dirk M Elston, MD  more...
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Ipsilateral preauricular and, occasionally, submaxillary nodal involvement is a common prodromal event in HZO and often is valued equivalently with pain, vesiculation, and erythema in establishing a diagnosis. Prodromal lymphadenopathy should not be confused with the later reactive adenopathy caused by secondary infection of vesicles. Headaches, nausea, and vomiting also are common prodromal symptoms.

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