For fast relief from heartburn that is safe for mom and baby mix a teaspoon of baking soda or more if needed with water and drink. Not the best taste but very effective AND works very quickly!
I was using ranitidine (generic for zantac). I was having horrible stomach pain and dr told me to try zegerid....and holy smokes its awesome!!! Expensive but good stuff $23 for 42 @ target.
Tums and pepto and lots of water.
Tums I don't go any where without them
Protonix. Your doc can prescribe it and it's amazing.
Aloe Vera juice (Walmart) is a God send!! It tastes awful, but relieves refulx/heartburn in a jiffy!! I am currently 34 weeks and couldn't have survived without it! Best wishes! :-)
Tums get me through the night
Zantac is a lifesaver during pregnancy, that's what I'd go with.