White furfuraceous rash generally takes about 3 months to fade, and some patients can last for more than half a year.
White furfuraceous rash also called simple furfuraceous rash, facial dry furfuraceous rash, its pathogenesis is not clear, some scholars think with infection related, but all fail to confirm. Commonly in children, occasionally young adults onset, good in the spring, generally without treatment can be in about 3 months by themselves fade. White furfur is mainly manifested as round or round-like white spots, the surface is dry and flaky, about 1-3cm in size, the common site of onset is the face, but also can occur in the upper arms, neck and shoulders. Patients without obvious itching, pain and other conscious symptoms, can be without special treatment; serious cases can last more than six months, it is recommended to take oral vitamin B complex, external use of moisturizing emollient cream or corticosteroid cream to promote the rash to subside.
In addition, children with pityriasis albuginea need to try to avoid repeatedly stimulating the local skin to avoid causing the expansion of the white spot area or the formation of pigmentation after scratching, which affects the beauty.