I had an allergic reaction , face, going swelled up blood pressure dropped. Passed out.ten min. After i took two tizanidine 4 mg. E.r. Put me on prednisone and benidril.every time I take 2at 1 time for four days, the symptoms that had gotten better some get much worse again.(the prednisone seems to be starting it all up again. Why prednazone?it happened 2 days ago 3 more days of prednizone . Should I feel this this bad still? Face itchy.swollen eyes burning . !s all the neural logical commonly obvious th s long after a reaction like this.? Or is it a bad reaction from the prednizone? What did it do to me.