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By Mayo Clinic staffBile reflux can be difficult to distinguish from acid reflux — the signs and symptoms are similar, and the two conditions may occur at the same time. But unlike acid reflux, bile reflux inflames the stomach, often causing a gnawing or burning pain in the upper abdomen. Other bile reflux symptoms include:
- Frequent heartburn — a burning sensation in your chest that sometimes spreads to your throat along with a sour taste in your mouth
- Nausea
- Vomiting bile
- Occasionally, a cough or hoarseness
- Unintended weight loss