It is advised to avoid alcohol  while using the abortion pills. Alcohol can effect your ability to think clearly while using the abortion pills, and it could also interfere with medications used for pain or infection (if complications occur).
 Women on Web. Can you eat or drink while you are taking the medicines? Retrieved from: https://www.womenonweb.org/en/page/3912/can-you-eat-or-drink-while-you-are-taking-the-medicines
*Nothing provided herein should be construed as professional medical advice and no medication / pills should be used without a prescription from a licensed / registered medical practitioner eligible to prescribe such medication in your local jurisdiction.