<s>[INST] My son bought some new head phones and has only worn them for a day maybe two and now has red, itchy ears and a little on his cheaks and neck in small spots. The redness is raised a little almost into a rash. What can I do? I gave him one bynedryl and he is 11 and it has helped just a little. [/INST] Hi, Welcome to the ChatDoctorBrief answer... It is contact dermatitis. Detailed answer. Conntact dermatitis is hypersensitivity (allergy) reaction in form of itching and rashes. Since there can be different triggering factors like (clothes, jewelry, headphones, slippers etc.) which has to be noted down and avoided in the future. For itching and rashes he may apply defense Chat Doctor. Tab.Belfast can also decrease allergic response. </s>