HYPOTHESIS If the administration of conventional treatment plus vitamin D in patients with atopic dermatitis and asthma-like allergic rhinitis entities, decreases the severity of symptoms 40% faster compared with conventional treatment, then administer vitamin D along with immunotherapy in children with allergic rhinitis will decrease at least 40% the time of onset of action of subcutaneous specific immunotherapy by earliest immunological changesTregTh17) and is consistent with standardization in laboratory values and clinical improvement assessed by questionnaires validated quality of life.