HEAD, EYE, EAR, NOSE, AND THROAT
EMERGENCIES
■ Preauricular adenopathy
■ Corneal haziness
■ Classic dendritic (branching) ulcer
TREATMENT
■ Prompt ophthalmology consult
■ Topical trifluridine or oral acyclovir
■ Topical cycloplegic if associated iritis
■ Topical steroids may be used but only in conjunction with antiviral therapy
and typically only by an ophthalmologist.
Herpes Zoster Ophthalmicus
ETIOLOGY
Reactivation of latent varicella zoster virus (also known as shingles) in trigeminal
ganglion
SYMPTOMS/EXAM
■ Pain, paresthesia, tearing
■ Unilateral vesicular eruption with dermatomal distribution (usually V1)
■ Occular involvement varies (conjunctivitis, iritis, keratitis, muscle
palsies,etc.).
■ Hutchinson sign: Herpetic vesicle on the tip of the nose indicating
nasocilliary nerve involvement and likelihood of ocular involvement (see
Figure 14.36).
■ Pseudodendritric ulcer with fluorescein staining
FIGURE 14.36. Herpes zoster ophthalmicus with Hutchinson sign.
(Reproduced, with permission, from Wolff K, Johnson RA, Suurmond D. Fitzpatrick’s Color
Atlas & Synopsis of Clinical Dermatology, 5th ed. New York: McGraw-Hill, 2005:825.)