Liver this product contains acetaminophen. Severe liver damage may occur if you take more than 4 doses in 24 hrs., Which is the maximum daily amount for this product; with other drugs containing acetaminophen; 3 or more alcoholic drinks every day while using this product. Sore throat 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); if you are now taking a prescription monoamine oxidase inhibitor (maoi) (certain drugs for depressions, 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 you have liver disease; heart disease; high blood pressure; thyroid disease; diabetes; trouble urinating due to enlarged prostrate gland; cough that occurs with too much phlegm (mucus); persistent or chronic cough as occurs with smoking, asthma, or emphysema. Ask a doctor or pharmacist before use if you are taking the blood thinning drug warfarin. When using this product: do not use more than directed. Stop use and ask a doctor if: you get nervous dizzy or sleepless; pain, nasal congestion or cough gets worse or lasts more than 7 days; fever gets worse or lasts more than 3 days; redness or swelling is present; new symptoms occur; cough comes back, or occurs with rash or headache that lasts. These could be signs of a serious condition. Pregnancy/breast-feeding if pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. Overdose taking more than directed can cause serious health problems. In case of overdose, get medical help or contact a poison control center right away. Quick medical attention is critical for adults & for children even if you do not notice any signs or symptoms. Other tamper evident: this package is safety-sealed & child resistant. Use only if blisters are intact. If difficult to open, use scissors. Failure to follow these warning could result in serious consequences.