That cough and sore throat playing havoc with your health again? Have you been coughing and had a sore throat for years and years? What is an an acid reflux pillow wedge and how can you cure it? The term acid reflux goes back to the latin term ‘refluxus’ which means “flowing back” or “receding” If you are a sufferer of acid reflex, the acids that sit in your stomach are flowing back up into your esophagus. The esophagus is the tube that joins the back of your throat to your stomach. It’s the food pipe. The acid that is ‘refluxing’ or travelling back up from your stomach might even reach your throat and mouth. This acid may cause burning and discomfort and might even cause lasting damage to your stomach, esophagus, throat even teeth if you leave it untreated for many years. Heartburn is one well-known type of acid reflex.