Hi, I Was Put On Amoxicillin For Strep Throat And

Hi,

I was put on amoxicillin for strep throat and a week after starting the medication broke out in sever hives all over my body. I was then put on antihistamines and prednisone three days ago. The hives have started to fade elsewhere, but are extremely large and itchy on my legs. Should I be concerned about this and is there anything I can do?