When a person lies down, more acid can leak into the esophagus causing even more heartburn. Instead, its actually the opposite youre Best heartburn relief pregnancy producing too little acid. Eat smaller meals and avoid eating before bed. Suffer in silence. Infant acid reflux usually goes away on its own around 12 to 18 months of age. It is a natural antacid that works within minutes. pylori, treat it with triple antibiotic therapy from your doctor. Chronic, unmanaged acid reflux can contribute to throat soreness and can lead to complications. Any acid that has built up in the gut is diluted and washed away or cleared out more quickly.