[New perspective of vitamin D3 ointment--pruritic skin diseases: focused on prurigo].

It is generally accepted that topical steroid ointment and anti-histamine drug are the first choice of the treatment on pruritic skin diseases such as contact dermatitis, urticaria, prurigo, or pruritus cutanea. Among these diseases, prurigo is one of the most refractory skin disease to the common therapies. In this review, we would like to summarize the effect of vitamin D(3) to refractory skin disease on the basis of our clinical study.