Liver warning: This product contains acetaminophen. Severe liver damage may occur if: adult takes more than 6 doses in 24 hours, which is the maximum daily amount; child takes more than 5 doses in 24 hours; taken with other drugs containing acetaminophen; adult has 3 or more alcoholic drinks daily while using this product. Sore throat warning: if sore throat is severe, persists for more than 2 days, is accompanied or followed by fever, headache, rash, nausea, or vomiting, consult a doctor promptly. Do not use: with any other drug containing acetaminophen (prescription or nonprescription). If you are not sure whether a drug contains acetaminophen, ask a doctor or pharmacist; to make a child sleepy; with any other drug containing diphenhydramine, even one used on the skin; 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. Ask a doctor before use if the user has: liver disease; heart disease; high blood pressure; thyroid disease; diabetes; trouble urinating due to an enlarged prostate gland; glaucoma; breathing problems such as emphysema or chronic bronchitis; persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema; cough that occurs with too much phlegm (mucus). Ask a doctor or pharmacist before use if the user is taking the blood thinning drug warfarin; taking sedatives or tranquilizers. When using this product: do not use more than directed; excitability may occur, especially in children; marked drowsiness may occur; alcohol, sedatives, and tranquilizers may increase drowsiness; avoid alcoholic drinks; be careful when driving a motor vehicle or operating machinery. Stop use and ask a doctor if: nervousness, dizziness, or sleeplessness occur; pain, nasal congestion, or cough gets worse, or lasts more than 5 days (children) or 7 days (adults); fever gets worse, or lasts more than 3 days; redness or swelling is present; new symptoms occur; cough comes back, or occurs with fever, rash, or headache that lasts. These could be signs of a serious condition. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. Overdose warning. Taking more than the recommended dose (overdose) may cause liver damage. In case of overdose, get medical help or contact a Poison Control Center right away. Quick medical attention is critical for adults as well as for children even if you do not notice any signs or symptoms. Do not take more than directed.