Herpes Zoster Differential Diagnoses
- Author: James E Moon, MD; Chief Editor: Steven C Dronen, MD, FAAEM more...
Diagnostic Considerations
Conditions with rash symptoms that can be similar to those of herpes zoster include the following:
- Atopic dermatitis
- Atypical measles
- Coxsackievirus Infections
- Poison ivy
- Superficial pyoderma
- Zosteriform herpes simplex
Conditions with pain symptoms that can be similar to those of herpes zoster include the following:
- Angina
- Cholecystitis
- Renal calculi
- Glaucoma
- Spinal nerve compression
As previously mentioned, in severely ill or immunocompromised patients, general CNS involvement can be observed in the form of meningoencephalitis or encephalitis. Such presentations are indistinguishable from other forms of meningoencephalitis, although other evidence of acute zoster usually is present.[4] CSF studies frequently reveal pleocytosis without elevated protein. These infections can be-life threatening.
Differential Diagnoses
- Appendicitis
- Bell Palsy
- Cholecystitis and Biliary Colic
- Conjunctivitis
- Corneal Ulceration and Ulcerative Keratitis
- Coxsackieviruses
- Glaucoma, Acute Angle-Closure
- Herpes Simplex
- Impetigo
- Smallpox
- Trigeminal Neuralgia
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