Warnings: Do not use: if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric, or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product; to make a child sleepy. Ask a doctor before use if you have glaucoma; cough that occurs with too much phlegm (mucus); a breathing problem such as emphysema or chronic bronchitis; persistent or chronic cough as occurs with smoking, asthma, or emphysema; trouble urinating due to an enlarged prostate gland. Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers. When using this product: do not use more than directed; excitability may occur, especially in children; may cause marked drowsiness; avoid alcoholic drinks; be careful when driving a motor vehicle or operating machinery; alcohol, sedatives, and tranquilizers may increase drowsiness. Stop use and ask a doctor if: cough lasts more than 7 days; comes back, or occurs with fever, rash, or headache that lasts. These could be signs of a serious condition. Pregnancy/breast-feeding warning: 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. (1-800-222-1222) Other warnings: Do not use if printed neckband is broken or missing.