If you binge and purge, you have special challenges.
Years ago, Dr. Thomas Najarian started treating bulimia with appetite suppressants. It isn’t a complete answer. You should be in therapy as well as developing a healthy eating plan. In my experience, appetite suppressants dramatically decrease the amount of binging, so the purging is eliminated. People on appetite suppressants tend to find that stress can still trigger a binge. Working on stress management techniques can help with that.