Roseola infantum: Difference between revisions
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| Line 3: | Line 3: | ||
*Likely caused by HHV-6 | *Likely caused by HHV-6 | ||
== | ==Clinical Features== | ||
*3-5d prodrome of high fever | *3-5d prodrome of high fever → then defervescence → then rash for 1-2d | ||
*Rash | *Rash - erythematous macular eruption of discrete, pink lesions | ||
**Mostly on neck, trunk, buttocks | **Mostly on neck, trunk, buttocks | ||
**No mucus membrane involvement | **No mucus membrane involvement | ||
*Lymphadenopathy often present | |||
*Often erythematous tympanic membranes | |||
*May have sterile pyuria | |||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
{{Peds Rash DDX}} | {{Peds Rash DDX}} | ||
==Diagnosis== | |||
*Clinical diagnosis, based on history and physical exam | |||
==Management== | |||
*Supportive care | |||
==Disposition== | |||
*Discharge | |||
==Complications== | ==Complications== | ||
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*[[Encephalitis]] | *[[Encephalitis]] | ||
*Thrombocytopenic purpura | *Thrombocytopenic purpura | ||
==See Also== | ==See Also== | ||
*[[Pediatric Rashes]] | *[[Pediatric Rashes]] | ||
==References== | |||
<References/> | |||
[[Category:ID]] | [[Category:ID]] | ||
[[Category:Peds]] | [[Category:Peds]] | ||
[[Category:Derm]] | [[Category:Derm]] | ||
Revision as of 02:32, 11 August 2015
Background
- Also known as Exanthem Subitum
- Likely caused by HHV-6
Clinical Features
- 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
- Often erythematous tympanic membranes
- May have sterile pyuria
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)
Diagnosis
- Clinical diagnosis, based on history and physical exam
Management
- Supportive care
Disposition
- Discharge
Complications
- Seizures
- Aseptic meningitis
- Encephalitis
- Thrombocytopenic purpura