<s>[INST] my daughter is experiencing sever swelling of the lips, and parts of her gums for the past 6 days. There is light blistering and redness around the outer edge of the lips. We went to emergency and doctors thought it is allergy related but Benadryl and Reactine only works intermittently. [/INST] hello, thanks for your query, it's unlikely allergy medications ( Benadryl)  causing allergy. check out her complete blood picture , viral infections with pediatrician. hope I have answered your query. all the best. take care. </s>