Erythema infectiosum
- Caused by parvovirus B19
- "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
- May precipitate aplastic crisis in pts with sickle cell disease
- Infection in pregnancy can cause fetal injury
- Treatment: symptomatic therapy