A persistent cough may be a sign of a serious condition. If cough persists for more than 1 week, tends to recur, or is accompanied by fever, rash, or persistent headache, consult a doctor.
Ask a doctor before use if you have a persistent or chronic cough such as occurs with smoking, asthma, or emphysema or cough accompanied by excessive phlegm (mucus).
Stop and ask a doctor if cough persists for more than 1 week, tends to recur or is accompanied by fever, rash or persistent headache; symptoms do not get better within 7 days; fever worsens or lasts for more than 3 days; new symptoms occur. These could be signs of a serious condition.
If you are pregnant or breast-feeding ask a health professional before use.
In case of overdose, get medical help or contact a Poison Control Center right away.