The following points highlight the five major drugs used for the suppression of cough. The drugs are: 1. Expectorants 2. Mucolytic 3. Cough Suppressants 4. Demulcents 5. Antitussives. Drug # 1. Expectorants: Expectorants are drugs that promote expulsion of bronchial secretions. The bronchial glands are supplied by vagus nerve and when nausea or vomiting occurs […]