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warnings
Warnings Ask a doctor before use if you hav e * persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema * cough accompanied by excessive phlegm (mucus) Stop use and ask a doctor if * cough lasts more than 7 days, comes back, or is accompanied by fever, rash or persistent headache. These could be signs of a serious illness. If pregnant or breast feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.