Avelox and initial reaction

Wow, I was prescribed this medication for a sinus infection that I had been battling for weeks. I took Avelox this morning, about 30 minutes later I started itching all over my body, under my arms on my thighs and my eyes started swelling, I could hardly see out of them, my throat was itching so bad , I started choking ,and my heart started racing, I had a weird strange feeling that I would be sick forever and maybe I was dying. I was home alone so I took two benadryl tablets and looked this medication up on the computer. The muscles in my legs started aching. I started to drink as much water as I could. It has been almost two hours since I took this mediation. I am breathing okay, but my eyes are swollen and very red. I will not take anymore of this medication, I knew I was having a reaction, (sulfa is the only mediation I have ever been allergic to, it is listed on my records) Sulfa made my face swell up so bad, I looked like a cartoon character.
I think I have passed the initial reaction, I hope so anyway.
juniperiam