Hi Im Zoloft 25mg and I took my 14th day pill today and the side effects from that was finally subsiding but I was prescribed bactrim ds one pill twice a day for three days which today was day two that I finish my question is how long does it take the bactrim ds to leave my system cause I cant handle what the side effects are doing to me like I belieave its a allergic reaction and im having chest pains that only comes when I take it and I have hives my stomach hurts im 26 yr old female with fibromyalgia