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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 is accompanied by excessive phlegm (mucus) Stop use and ask a doctor if symptoms are accompanied by fever, rash, or persistent headache cough persists for more than 1 week or tends to recur A persistent cough may be a sign of a serious condition. If pregnant or breast feeding, ask a health professional before use. Keep out of the reach of children. In case of overdose, get medical help or contact a Poison Control Center immediately.