HZO Keratitis

And we talk to our patients all the time about systemic eye diseases. Diabetes, hypertension, cholesterol. Why not also talk to them about getting their zoster vaccination? I think it’s something that we can do - Doug Rett OD

HZO Keratitis

image by: Dr-Ehab Nafie
     

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Approach to the Red Eye

Similar to HSV keratitis... does not necessarily involve the cornea, but the cornea is involved in ~50% of cases...

Fluorescein will show poorly staining pseudodendrites without a terminal bulb.

*Pearl* Hutchinson sign is when there is a vesicle is on the tip of the nose. This correlates very strongly with a corneal lesion as the nasociliary branch of V1 innervates both the tip of the nose and the cornea.

Treatment: If immunocompetent and only one dermatome: Acyclovir 800 mg PO 5x daily or famciclovir 500 mg PO TID or valacyclovir 1 g PO TID – all for 7-10 days. If immunocompromised or severe life-threatening infection or multiple dermatomes: acyclovir 10mg/kg…

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Last Updated : Wednesday, June 15, 2022