If a patient has moderate-to-severe GERD symptoms and the procedure reveals injury in the esophagus, usually no further tests are needed to confirm a diagnosis. One of these speculations says that the acidic acid in vinegar helps lower stomach acidity by expanding its pH. Symptoms in Children. In one cup of water, boil 1 teaspoon of cumin seeds. Here are a few self-care tips: Just as Aloe Vera acts as a coolant and reduces the inflammation on the skin, it also cools down the stomach and provides heartburn relief. Eat a clove or two after your meal, or add raw garlic to your food to prevent heartburn from developing. All of those products are available without a prescription as low-cost generics. Carbohydrates and sugars actually feed bacteria. In addition to lifestyle changes, a number of OTC and prescription medications are available to relieve moderate or severe acid Natural cures for chronic heartburn symptoms.