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warnings
Warnings Ask a doctor before use if you have persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema cough accompanied with excessive phlegm (mucus) Stop use and ask a doctor if cough lasts more than 7 days, recurs, or is accompanied with fever, rash, or persistent headache.These could be signs of a serious condition. If pregnant or breast-feeding, ask a health care professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a poison control center right away.