While heartburn is a well-known symptom of abnormal acid reflux, this acid may also affect parts of the body other than the digestive system; for example, asthma may be caused or exacerbated by acid reflux.
Similarly, some people experience chest pain that feels like angina of the heart. Chronic cough, hoarseness, and loss of dental enamel may also occur with GERD. As you can see, when acid reflux goes untreated for too long, it can create many problems throughout your body.