Pityriasis rosea is a temporary skin condition which presents as numerous patches of pink or red oval rash
. The rash
usually starts with one patch on the chest, abdomen, thighs, or back. After a couple of weeks, it often spreads to other areas. The rash may or may not itch. Initially, a primary plaque, called a herald patch, is seen. Then it is followed by a distinctive, generalized rash 1-2 weeks later.