Fifths disease (erythema infectiosum) is caused by a virus and
is most common between the ages of 2-12. The incubation period
is 4-14 days. This illness is associated with a characteristic
rash. The child appears to have a classic slapped-cheek. The
cheeks are intensely red and hot to touch, but they are not
painful. The area around the mouth is usually pale. After 1-4
days a lace-like raised rash appears on the arms and thighs. The
rash gradually spreads down the arms and legs and occasionally
to the trunk. Mild itching is sometimes a problem. It takes an
average of ten days for the rash to completely fade. The rash
may reoccur for varying periods of time when exposed to
temperature change or sunlight. Mild fever and joint pain may
accompany this illness. Since this is a virus and must run its
course, there is generally no specific treatment. Consult with
you primary care physician for the recommended pain reliever of
choice as well as treatment for the itching. Fluids should be
encouraged, especially if fev