RSI The Reflux Symptom Index (RSI) Within the last month, how did the following problems affect you? Check the appropriate response. 0 = No Problem, 5 = Severe Problem 1. Hoarseness or a problem with your voice 0 1 2 3 4 5 2. Clearing your throat 0 1 2 3 4 5 3. Excess throat mucus or postnasal drip 0 1 2 3 4 5 4. Difficulty swallowing food, liquids, or pills 0 1 2 3 4 5 5. Coughing after you eat or after lying down 0 1 2 3 4 5 6. Breathing difficulties or episodes 0 1 2 3 4 5 7. Troublesome or annoying cough 0 1 2 3 4 5 8. Sensations of something sticking in your throat or a lump in your throat 0 1 2 3 4 5 9. Heartburn, chest pain, indigestion, or stomach acid coming up 0 1 2 3 4 5