http://www.medications.com/effect/view/38526 I was prescribed Biaxin XL 4 days ago for sinus infection ( 2 -500mg tablets taken together once per day). The side effects were worse than the infection for me. I became extremely anxious and panicky, nauseated, sweaty, tired but unable to sleep and I lo Sun, 22 Feb 2009 11:48:14 -0500 http://www.medications.com/effect/view/38526?item=17345 This morning (day 4 of Biaxin) was continued metalic taste in my mouth, racing heart. depression and severe panic attack. My whole body is shaking and the nausea and stomach cramps are awful. My blood pressure is going up and up and for no reason at all I http://www.medications.com/effect/view/38526?item=17345