Treatment Both natural and artificial light of the appropriate wavelength are effective therapeutically Oral adiministration of vitamin d is preferred. 5,000-10000IU/d >300,000IU im; repeat one months later,if neededTreatment ➢ Both natural and artificial light of the appropriate wavelength are effective therapeutically ➢ Oral adiministration of Vitamin D is preferred. 5,000-10,000IU/d; ➢ 300,000IU im; repeat one months later,if needed