question: Hi, my friend was stung about 8 times by some yellow jackets and got a severe allergic reaction to it (faintness, hard to breath, hives, swelling of the mouth). She was taken to the ER and they gave her an IV with some different drugs that I cannot recall. The hives and swelling went down but came back an hour or two later and she as given another IV. The swelling and hives mostly went away again and we were released from the ER. Now the hives and swelling have come back. Should we be worried? I read benadryl or clariten may help. Thank you for your time