Long periods 20day almost. 24 hours.

I have uti for a month, also taking panchkarma for mild pcod, Taking uti tablet for more than 12 days.. for inflammation too. Once i stop taking it, again inflammation starts. In panchkarma, medicated ghee session wnds, and doctor told me to take rest before taking massage session, till the period gets stop. Now as a result of the tablets, My periods come after 2 months, there is little spotting from 6th april to almost 17-18 april, then normal periods start, but it didn't stop till today. I am taking medicine urispass, norflox and nitrofurantoin. Tell me some solution to stop my periods please. I am taking pause mf four 4 days. 1tab/day. Someone suggest me to take clip 500( a medical student). Please help me. I change the pad 2-3 times in every 24 hours.