You should not use abortion pills if:
- Someone is forcing you to end your pregnancy
- You are not sure about wanting to end your pregnancy
- You have an allergy to Mifepristone, Misoprostol, or prostaglandins
- You have one of the following diseases: Chronic adrenal failure, Hemorrhagic disorders or bleeding disorders/diseases, inherited porphyrias (it is highly unlikely that you have one of these diseases and do not know about it)
- You have an ectopic pregnancy (a pregnancy outside the womb)
- You cannot get to a hospital or first aid center within an hour
- You are alone. You should ask a partner, friend or another trusted person to stay with you while you use the medicines.
Generally allergic reactions to abortion pills are uncommon. In a study that accounted for 80,000 women who have used Mifepristone-Misoprostol, 6 women (0.008%) had mild allergic reactions (hives) after they took mifepristone. All of the women received treatment with an oral antihistamine and took the misoprostol with no further problems.