An allergic reaction to treatment? Please help?

Allergic reaction to Hives Hives Therapy Causes: concern of Annie C. : the treatment of allergic reactions? Please support? I just learned that I am allergic to a thing and when I cough and shortness of breath and notice a couple of hives began, I quickly (10 minutes ago) Benedryl 25mg ... Is there some thing I can / really should be? Let's take another 25mg Benedryl? I knew that I'm allergic to shellfish for years, but never ever a reaction like this just before Very best Answer. response

Rememdy for Hives ...