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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 by too much 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. This could be signs of a serious illness. If pregnant or breast-feeding, ask a health professional before use.