Do not use if imprinted cap band is broken or missing. If symptoms persist for more than seven days or worsen, contact a licensed health care professional. If cough persists for more than seven days, tends to recur, or is accompanied by a rash, persistent headache, fever that lasts for more than three days, or if new symptoms occur, consult a doctor. Do not take this product for persistent or chronic cough such as occurs with smoking, asthma or emphysema, or if cough is accompanied by excessive phlegm (mucous) unless directed by a doctor. As with any drug, if you are pregnant or nursing a baby, seek the advice of a licensed health care professional before using this product. Keep this and all medications out of the reach of children. In case of accidental overdose, contact a Poison Control Center immediately.