Can I Swallow an Advil on Yom Kippur? OU Kosher Staff October 7, 2019 In terms of taking medicines on Yom Kippur, what is permitted and what is not permitted? Rabbi Elefant explores this issue. Related Articles ASK OU Video Can A Sous Vide Machine Be Kashered? ASK OU Video Can I Open An Umbrella On Shabbat? ASK OU How Does the OU Certify Flour as Yoshon Throughout the Winter?