Unformatted text preview: changes limited to a dermatome • Later the rash becomes vesicular and forms small blisters filled with a serous exudate • 3-7 days after the vesicles form, they begin to scab • The scab should fall away within 14 days but should not be pulled away as this may leave scaring • Occasionally the underlying skin will retain a degree of scaring and pigmentation Herpes zoster may have additional symptoms, depending on the dermatome involved. Herpes zoster ophthalmicus involves the orbit of the eye and occurs in approximately 10–25% of cases. It is caused by the virus reactivating in the ophthalmic division of the trigeminal nerve. In a few patients, symptoms may include conjunctivitis, keratitis, uveitis, and optic nerve palsies that can sometimes cause chronic ocular inflammation, loss of vision, and debilitating pain....
View Full Document
- Fall '10
- Anthropology, Herpes zoster, trigeminal nerve, Keratitis