I Ve Bleeding From February 19 Till Now.inbetween Four R

I ve bleeding from February 19 till now.inbetween four r five days I don't ve also ve fibroid n centre of uterus.am taking tablets for thyroid .25mg,iron tab& because c forte. Dr gave one cycle of meprate tablet to stop bleeding. Also Dr told aftr my hb increases ll remove uterus. I can bear the bleeding problem.s it advisable to take meprate for one month(42tabs). Already I'm having constipation problem.i startd taking meprate tablets . Wat r all the side effects ll get by taking this