How to eliminate white spot pityriasis

White pityriasis can be self-subsiding, occasionally mild itching, generally do not need to deal with, local can be topical 5% sulfur ointment and other keratinizing agent symptomatic treatment. White pityriasis also known as simple pityriasis, for good hair in children and adolescents face of a non-specific inflammatory skin disease, unknown etiology, dry skin, sun exposure, vitamin deficiency, intestinal parasite infection, etc. can promote this disease, some people think and infection specific constitution. The rash is hypopigmented round or oval patches, varying in size, about 1 cm to several cm in diameter, pale white or reddish, with clear boundaries, dry surface, with a small amount of fine scales, which can fuse with each other.