<p>This preparation is contraindicated in individuals with known hypersensitivity to the product or any of its constituents and in individuals with chronic or persistent cough, such as occurs with asthma, or where cough is accompanied by excessive secretions, unless directed by the physician. It should not be administered to patients currently receiving monoamine oxidase inhibitors (MAOIs) or those patients who have received treatment with MAOIs within the last two weeks.</p>