Question:
Can I take painkillers on Shabbos. I am in pain from oral surgery last week and root canal yesterday with ear pain as well.
Answer:
First of all a refuah shlemah. If the pain is severe enough to justify bed rest it is permitted to take painkillers on Shabbos.
Sources:
O:CH 328:3 Mishnah Berurah 8, ibid 32 Mishnah Berurah 121.