Heartburn can be caused by spicy foods, carbonated beverages, and certain medications. If heartburn is frequent or severe, it may be due to serious conditions like a stomach ulcer or hiatal hernia. Some medications can loosen the valve between your stomach and esophagus, causing heartburn. What is heartburn? Heartburn is a painful, burning feeling in the middle of your chest. It’s not really in your heart, though. It’s caused by stomach acid rising into your esophagus (reflux), which runs through your chest, close to your heart. Heartburn is a burning sensation felt behind the breastbone. It is a symptom that is commonly linked to acid reflux [a] and is often triggered by food. Lying down, bending, lifting, and performing certain exercises can exacerbate heartburn. Heartburn is a common annoyance that is usually harmless, but it could be a sign of a bigger medical problem. If you have constant heartburn or its interfering with your daily life, contact your doctor to discuss treatment options or request further testing. Heartburn is an irritation of your esophagus, the tube that connects your throat and stomach. This leads to a burning discomfort in your upper belly or chest. It's caused by acid reflux, which is. Heartburn or heart attack: When to worry Severe heartburn and heart attack can be hard to tell apart. Understand how they typically differ, and learn when to get immediate help. Heartburn is a burning sensation in your chest, behind your breastbone. It occurs when stomach acid travels back up your esophagus — the tube that carries food from your mouth to your stomach. In. To get rid of heartburn quickly, you can try home remedies, over-the-counter treatments, and lifestyle changes. Learn tips for treatment and prevention. Home remedies for heartburn include avoiding trigger foods, chewing gum, and elevating your head when lying down. Ginger, milk, or baking soda can also provide relief. Heartburn is a burning pain in the chest, just behind the breastbone. It's sometimes accompanied by a bitter or acidic taste in the mouth. The pain is often worse after eating, in the evening, or when lying down or bending over. Occasional heartburn is common and no cause for alarm.