Pityriasis rosea is a common skin condition that usually starts with one larger patch followed by smaller pink or reddish rashes on the body. It is not usually dangerous and often improves on its own within a few weeks to a couple of months. The exact cause is not always clear, but it may be linked to a mild viral reaction in some people. The rash can become more noticeable with sweating, hot showers, or tight clothing, and some people may also feel itching. Using mild soap, avoiding harsh skin products, and wearing loose cotton clothes may help reduce irritation. Try to keep the skin moisturised and avoid scratching, as this can worsen discomfort. If the itching is troubling, a doctor may suggest creams or medicines for relief. You should see a dermatologist if the rash spreads rapidly, becomes painful, affects the face or mouth, or does not improve after several weeks.