eMedicine Specialties > Ophthalmology > Infectious Disease
Herpes Zoster: Follow-up
Updated: Oct 28, 2008
Follow-up
Further Inpatient Care
- Hospital admission should be considered for any of the following situations: severe symptoms, immunosuppression, and more than 2 dermatomal involvements.
- Wet to dry dressings with sterile saline solution or Burow's solution (pharmacological preparation made of 5% aluminum acetate dissolved in water) should be applied to the affected skin for 30-60 minutes 4-6 times per day.
- Calamine lotion, a mixture of zinc oxide (ZnO) with about 0.5% iron(III) oxide (Fe2 O3), may be used as an antipruritic (anti-itching) agent. It is also used as a mild antiseptic to prevent infections that can be caused by scratching the affected area, as well as an astringent for dry weeping or oozing blisters. There is no proof that calamine has any real therapeutic effect on rashes and itching.
Further Outpatient Care
- Follow-up care in a pain clinic may be advised.
- Continued counseling care with a psychiatrist may be warranted in some situations.
Inpatient & Outpatient Medications
- See Medication.
Deterrence/Prevention
- In 1995, the Food and Drug Administration (FDA) licensed a live attenuated varicella vaccine for immunization of healthy infants, children, adolescents, and adults in the United States who have not had chickenpox and who are not pregnant.87
- Theoretically, a vaccine could be used (1) to provide immunity to varicella, and (2) to boost the immunity of patients with previous varicella to prevent herpes zoster.88
- See related CME at Changing the Paradigm From Treatment to Prevention: Strategies for Reducing the Burden of Varicella, Herpes Zoster, and Herpes Simplex Infections.
Complications
- Pavan-Langston reviewed complications of untreated herpes zoster ophthalmicus and noted the following:
- Severe acute pain (90%)
- Infectious, scarring rash (85%)
- Conjunctivitis, episcleritis, and scleritis (75%)
- Lid distortion (70%)
- Infectious and/or immune keratitis (55%)
- Uveitis (45%)
- PHN, 20-60% (age <40-60 y)
- Glaucoma and/or cataract (10%)
- Neuro-ophthalmic (8%)
- Liesegang presented a series of 86 consecutive patients with complications from herpes zoster ophthalmicus, which included the following:
- Lid complications (ie, ptosis, hemorrhagic necrosis, ectropion, scarring)
- Canalicular occlusion
- Keratitis
- Scleritis or episcleritis
- Iridocyclitis
- Glaucoma (ie, secondary)
- Cataract
- Neuro-ophthalmic
- Postherpetic neuralgia
- Foster and Sainz de la Maza's review of 172 cases of scleritis included a case secondary to herpes zoster.21 Another case resulted in herpes zoster episcleritis. However, immune-mediated diseases are the main disorders associated with scleritis.
- Ramsay Hunt syndrome (geniculate zoster) occurs with herpetic infection of the geniculate ganglion. In addition to facial paresis, a herpetic eruption may be found either in the external auditory canal, the pinna, or the palate.
- Bell palsy is the most common lower motor neuron facial paresis. VZV has been implicated in its pathogenesis.
- Herpes zoster ophthalmicus with delayed contralateral hemiplegia has been reported.
Prognosis
- Of 1 million individuals examined each year for herpes zoster, 250,000 develop herpes zoster ophthalmicus.
- About 50% of patients with herpes zoster ophthalmicus develop complications.89,90
Patient Education
- Herpes zoster should be properly identified as early as possible. Patients should consult a physician immediately after the rash erupts.
- For excellent patient education resources, visit eMedicine's Bacterial and Viral Infections Center. Also, see eMedicine's patient education articles Chickenpox and Shingles.
Miscellaneous
Medicolegal Pitfalls
- The risk of herpes zoster is increased among persons infected with HIV.
- HIV infection should be considered in any patient with herpes zoster who is younger than 45 years or who is in a recognized risk group for AIDS.
Special Concerns
- Geriatric individuals: The natural declining immunity with age is believed to allow the reactivation of VZV in the sensory ganglia.
- Immunocompromised individuals
- This population includes immunosuppressed organ-transplant recipients and immune-deficient patients with cancer, leukemia, and AIDS. These patients are at increased risk of acquiring the infection.
- Herpes zoster is more likely to be severe and prolonged and to lead to dissemination (>20 vesicles outside the primary and immediately adjacent dermatome) in this population than in others.
- Dissemination implies a viremia, which may lead to visceral (eg, lungs, liver, brain) or neurologic (eg, motor neuropathies of the cranial and peripheral nervous system, encephalitis, meningoencephalitis, myelitis, Guillain-Barré syndrome) infection.
The authors and editors of eMedicine gratefully acknowledge the assistance of Ryan I Huffman, MD, with the literature review and referencing for this article.
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Further Reading
Keywords
herpes zoster, herpes zoster ophthalmicus, varicella-zoster virus, chickenpox, shingles, varicella, postherpetic neuralgia, herpes zoster oticus, Ramsay Hunt Syndrome, dermatomal zoster, zona, Hutchinson sign, VZV, HZO
Follow-up: Herpes Zoster