I Had A Period That Last 15 Days With Very

I had a period that last 15 days with very heavy bleeding - went to the hospital was on pimply 2 tablets every 4 hours took two days to stop beefing now on 1x3 daily I finish tomorrow. Do I start another course? How long when you stop tablets do you get a period? I had an iron fusion last week due to blood loss have had low blood pressure since