HEARTBURN!!

My heartburn has been so bad at night that it’s literally keeping me up for hours, and I’m not even exaggerating. I can’t sleep. It’s so bad that it makes me nauseous and some nights, I actually vomit. Tums are useless. Anyone have any other options???? I’ve tried every position to lay in, etc and NOTHING works, and I don’t know which meds are safe for it. Doc office hasn’t called me back yet.