Heartburn is a burning feeling in the chest caused by stomach acid travelling up towards the throat (acid reflux). If it keeps happening. Heartburn is a burning pain in your chest, just behind your breastbone. stomach acid can flow back up into your esophagus (acid reflux). Sulfuric acid is flushed with a mild, soapy solution if the burns are not severe. Sulfuric acid feels hot when water is added to the acid, but it is better to. Heartburn is a symptom of many different conditions, including acid reflux and GERD. It typically feels like a burning in the center of your. The most frequent symptom of acid reflux or heartburn is a feeling of warmth, heat, or burning in the chest and throat. This is due to the stomach acid. The burning sensation is usually the result of stomach acid leaking up into the esophagus through a flaw in a valve known as the lower. Dyspepsia is a burning feeling and discomfort in the upper middle part of your stomach. It's known as indigestion. Heartburn can be a symptom of dyspepsia. Pain. You have a sharp, burning feeling just below your breastbone or chest pain can be accompanied by an acidic taste in your mouth. If you have acid reflux, you might experience the following: Burning sensation or discomfort in your chest; Burning sensation or discomfort. Heartburn a burning sensation in the throat from acid reflux. Symptoms of heartburn include chest pain, burning in the throat, and difficulty swallowing.