RD Esotrax 30mg/40mg By reducing symptoms like heartburn, stomach pain, or irritation, Capsule SR is a prescription medication used to treat indigestion and gastroesophageal reflux disease (also known as acid reflux). Overproduction of acid in the stomach is a chronic (long-term) ailment known as gastroesophageal reflux disease (GERD). The Esotrax RD 30mg/40mg Capsule SR lessens the production of stomach acid and eases the discomfort of acid reflux and heartburn. For it to be successful, you must take it precisely as directed. A few easy lifestyle adjustments can help lessen GERD symptoms. Try to avoid the items that cause heartburn; eat smaller, more frequent meals; if you are overweight, try to reduce your weight; and find ways to unwind. Avoid eating three to four hours before bed.