Congrats in feeding baby for 6months! Well done! It's definitely not difficult to stop. As a rule of thumb, just pump only when you feel full but to avoid engorgement, you still need to pump / latch on. Try stretching from 3 hours to 4.5hours, then fro 4.5hours to 6hours or so...Continue to stretch until you come to a total stop. I did not take any medicine to stop so i gues you dont need any too.