ER toothache HELP!!

S

Im 8months an a week pregnant an had a back tooth that needed work on (root canal on the whole in my tooth) couldnt take the ache so went in earlier today as an emergency..they patched it up an sent me home with antibiotics which i started an codine in case i want to take it for pain. I been taking Tylenol but dont do much with massive pain-

Any advise on safe remedies that will relieve the pain?