The Association Between Vitamin D Values and Psoriasis: A Literature Review

The Vitamin D deficiency could be involved in the development of psoriasis, Vitamin D defficiency being considerd to be involved in the development of disorders related to cellular immune system. The aim of this study is to review the literature in order to find if there is an association between the Vitamin D level in the serum and psoriasis. A search for relevant articles was performed using PubMed, Web of Science and Springer databases. A total of 19 articles fulfilled the criteria for inclusion in this review. 14 studies revealed statistically significant lower levels of Vitamin D in psoriatic patients when compared to healthy controls. The other 5 studies did not found a statistically significant difference between 25-hydroxycholecalciferol levels in psoriasis group and in control group.