Erythema infectiosum
Revision as of 18:26, 3 November 2014 by Rossdonaldson1 (talk | contribs)
Background
- Caused by parvovirus B19
- May precipitate aplastic crisis in pts with sickle cell disease
- Infection in pregnancy can cause fetal injury
Clinical Features
- "Slapped cheeks" rash
- Abrupt appeance
- Spares eyelids and chin
- Lasts 4-5d
- Macular erythema develops on trunk/limbs 2d after apperance of facial rash
- distinctive aspect of rash: faces with central clearing, giving a reticulated or lacy appearance
- May last 1wk
- Rash may recur within 3 week period
- Assoc symptoms include fever, HA, sore throat, cough, coryza, N/V
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)
Management
- Symptomatic therapy