If that does not work, try Pepcid, Gaviscon, Prilosec OTC, Omeprazole, Pepto, Zegerid
OTC, Equate Acid Relief or Alka-Seltzer. If you do not want to go to the store, try a quick remedy-- baking soda or cold milk. And also, you can use PregEase. It treats morning sickness and heartburn. It is clinically proven a safe choice with natural ingredients, so you do not have to worry about anything harming the little one.