Misoprostol

Tina
Hi ladies! 
​2 weeks ago at 6 weeks pregnant I started having a misscarriage cramps/bleeding. 
​Went in to hospital and they did blood test to check hormone level and it had dropped. I was told to go home and come back in 2 days to re test hormone levels. When I went back I was told they had dropped again but on the ultrasound they could still see the sack. So was then told to come back in a week to check again. The sack was still there a week later so they have now told me to insert 4 misoprostol  tablets to help the sack come out.. Has anyone been through a similar thing? Do these tablets cause a lot of pain? For some reason i am hesitant to use these tablets..