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warnings
Warnings Do not use * if you have heart disease, high blood pressure, thyroid disease, diabetes, or difficult in urination due to an enlarged prostate gland unless directed by a doctor * if you are taking prescription monoamine oxidase inhibitor (MAOI), certain drugs for depression, psychiatric or emotional conditions or Parkinson's disease, or for 2 weeks after stopping the MAOI drug * for persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis or emphysema or where cough is accompanied by excessive phlegm unless directed by a doctor