Could Allergy To Miralax Be The Reason For Lower Stomach And Back Pain?

my symptoms are, I was diagnosed with a syst on my left ovary. The pain increased and my CBC was elevated at a 13.7 and my c Reactive protein was high. Since the levels have come down but they think my syst ruptured. I still have constapation, lower stomach pain, back pain. I also have pain in my chest to the top of my breast. They now think I was allergic to the miralax. Also my bowel movements are green