Hiii mam, Pityriasis rosea is a very common skin rash seen in young adults. It is caused by a virus/bacteria. It occurs mostly in spring. It does not spread from one person to another. **Symptoms They last 4 - 8 weeks. Symptoms may disappear by 3 weeks or last for 3 months. A single large patch called a herald patch,appears first. After several days, more skin rashes will appear on the chest, back, arms, and legs. Genital is not always affected. The skin rashes: pink or pale red, oval shape,scaly,follow lines in the skin or appear in a Christmas tree pattern with itching. Following tests may be needed: *A blood test for syphilis (similar rash occurs) *A skin biopsy to confirm the diagnosis ** Other causes of similar rash & itching :Eczema,Ring Worm **Treatment Mild symptoms - no need treatment. Gentle bathing, mild lubricant or hydrocortisone creams may be used for soothing over body parts and genitals. Antihistamines - to reduce itching. Moderate sun exposure or ultraviolet (UV) light - to reduce the rash. **Pityriasis rosea usually goes away within 6 - 12 weeks.Recurrent chance is minimal. All the best.