Recently Answered Questions on Drotaverine

Hi,I was having pain on left side lower abdomen and  back pain also vaginal itchiness.my period got over on 11th dec also sexually active and I took ipill on Monday from Monday I was having this left lower abdomen and back pain with vaginal itchiness also irritation while passing urine and stomach was filled with gas.consulted a doctor on 17th night and got prescribed by DrotinM for 3/4days 3times/day and clingen vaginal suppository for a week.But I took tablet on 18th and at night I was about to keep suppository I got my period for the second time.am on my 4th day today I am taking drotaverine and mefanamic seperate  tablets and today mrng vagina is feeling irritated and stomach is filled with gas that is causing pain on exact lower abdomen.Why I got my period for 2nd time I tried some googling and got a heart attack nearly by seeing that it may be implantation bleeding.what is implantation bleeding anyway is that Mean am pregnant?Or the pain in stomach now is a effectof kidney stone?