Sixty children were selected from the department of dermatology, Banha University Hospital. Patients were randomly assigned to (Group- A):- 20 children Patients, aged between 6-16 years old. be treated with Phototherapy, for 3 sessions per week for 8 weeks Plus the traditional medical treatment. which is the betamethasone dipropionate 0.05%  diprolene for 2 times a day for 8 weeks. (Group B): 20 children Patients, in Group-B are treated with tap water iontophoresis, for 8 weeks, 3 sessions /week: the intensity were increased according to the patient's tolerance, for 20 minutes. Plus the traditional medical treatment. (Group -C) the control group will treated by only the traditional medical treatment which is the betamethasone dipropionate 0.05%  diprolene cream, two times a day for 8 weeks Skin thickness by ultrasonography and Patient Oriented Eczema Measure(POEM) are measured before and after 8 weeks of treatment.
this study is conducted to compare the effect of phototherapy psoralen plus UVA  bath puva to tap water iontophoresis in the treatment of atopic dermatitis in children.