Do not use for children under 12 years of age. Stop use and ask a doctor if cough lasts more than 7 days, comes back, or occurs with fever, rash, or persistent headache. These could be signs of a serious illness. Do not use for children under 12 years of age. Ask a doctor before use if you have persistent or chronic cough such as occurs with smoking asthma, chronic bronchits, or emphysema, cough accompained by too much phlegm (mucus), stop use and ask a doctor if cough lasts more than 7 days, comes back, or occurs with fever rash opr persistent headache. These coud be signs of a serious illness. If pregnant or breast-feeding ask a health professional before use. Keep out of reach of children in case of overdose get medical help or contact a poison control center right away. 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). Keep out of reach of children. In case of overdose, get medical help or contact a poison control center right away. If pregnant or breast-feeding, ask a health professional before use.