A Review on Serum Level of Vitamin D in Atopic March

Recent studies have reported a relationship between vitamin D and atopic diseases such as asthma, allergic rhinitis, and atopic dermatitis, which is due to the recently discovered vitamin D receptors on many immune system cells. Among all atopic diseases, asthma has been studied the most in this regard. However, the role of vitamin D in other atopic diseases such as allergic rhinitis and atopic dermatitis is a matter of controversy. In this paper, we review the literature on the association between atopic diseases and vitamin D level with a focus on the childhood period. As of today, the role of vitamin D in atopic march is not clear and studies show controversial results. Therefore, further studies with adequate sample sizes and correction for perplexing factors are needed since this could be an innovative treatment in atopic children. It is also advisable to examine high-risk groups of children for vitamin D deficiency. According to the extracted data, vitamin D has a protecting effect against atopic diseases. At the same time, no evidence was found for such an association in some studies, thus, further studies are needed to clarify this issue