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Medical treatment
| Class of drug | Duration of Therapy |
| Proton pump inhibitor BD + H2-receptor antagonists (Ranitidine) nocte | At least 2 months |
| Dopamine receptor antagonist (Metoclopramide, Domperidone) TDS | 1 month |
| Cough Suppressant (Morphine, Disofrol) | 2 months |
| GABA agonist (Baclofen) TDS | 2 months |
