Put down the bottle: Stop drinking alcohol, carbonated beverages, and drinks containing caffeine like coffee and Coca-Cola ASAP. Fennel seeds can be really helpful for indigestion caused by very spicy or fatty food. Antacids neutralise the effects of stomach acid. Go for skimmed milk. Some studies have shown that Iberogast may reduce heartburn. Besides frequent heartburn, following are the other associated symptoms of GERD: Heartburn medicine relief inhibitors, such as omeprazole Prilosec and lansoprazole Prevacid , are drugs that suppress the production of stomach acid. low stomach acid predisposes one to the growth of H. Furthermore, they might interfere with medications you may take check with a doctor before use.