The abortion pill, also known as mifepristone or RU-486 (medical abortion or medication abortion), is a different drug from ella, Plan B One-Step, Take Action, Next Choice One Dose, My Way and Levonorgestrel Tablets, which are approved for sale as emergency contraception in the United States.he abortion pill, also known as mifepristone or RU-486 (medical abortion or medication abortion), is a different drug from ella, Plan B One-Step, Take Action, Next Choice One Dose, My Way and Levonorgestrel Tablets, which are approved for sale as emergency contraception in the United States.