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warnings
Warnings Ask a doctor before use if you have: ■ persistent or chronic cough such as asthma, chronic bronchitis or emphysema. A persistent cough may be a sign of a serious condition. ■ cough that is accompanied by excessive phlegm (mucus). Stop use and ask a doctor if: ■ symptoms persist for more than 72 hours or worsen. ■ inflammation, fever or infection is present or develops. ■ cough tends to recur or is accompanied by a fever, rash or persistent headache. Keep out of reach of children. Keep this and all medications out of the reach of children.