I started using birth control pills (LO-GENTROL by Wyeth) last Sept 27 but I stopped taking it after only 8 days because I couldn't handle the side effects like nausea, sore breasts, etc. I noticed that even after stopping the bcp, some days I would still feel nauseous and I still have sore breasts specifically in my left breast. I could feel it especially when I do deep breathing. At times, there's pain but sometimes, it just goes away. It's the first time I've tried a bcp. I even wear a bigger bra just so I would feel more comfortable. Is there something I should be worried about?