Roseola infantum: Difference between revisions
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**Mostly on neck, trunk, buttocks | **Mostly on neck, trunk, buttocks | ||
**No mucus membrane involvement | **No mucus membrane involvement | ||
**Lymphadenopathy often present | |||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
Revision as of 08:31, 11 June 2015
Background
- Also known as Exanthem Subitum
- Likely caused by HHV-6
Diagnosis
- 3-5d prodrome of high fever, then defervescence, then rash for 1-2d
- Rash
- Erythematous macular eruption of discrete, pink lesions
- Mostly on neck, trunk, buttocks
- No mucus membrane involvement
- Lymphadenopathy often present
Differential Diagnosis
Pediatric Rash
- Atopic dermatitis
- Bed bugs
- Contact dermatitis
- Drug rash
- Erythema infectiosum (Fifth disease)
- Hand-foot-and-mouth disease
- Henoch-schonlein purpura (HSP)
- Herpangina
- Herpes simplex virus (HSV)
- Infectious mononucleosis
- Meningitis
- Measles
- Molluscum contagiosum
- Roseola infantum
- Rubella (German measles)
- Scabies
- Scarlet fever
- Smallpox
- Varicella (Chickenpox)