Liver this product contains acetaminophen. Severe liver damage may occur if you take: more than 12 caplets in 24 hours, which is the maximum daily amount; with other drugs containing acetaminophen; 3 or more alcoholic drinks daily 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 weather a drug contains acetaminophen, ask a doctor or pharmacist); 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 you have liver disease; high blood pressure; heart disease; thyroid disease; diabetes; trouble urinating due to an enlarged prostate gland; persistent or chronic cough bronchitis or emphysema; cough that occurs with too much phlegm (mucus). 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: nervousness, dizziness or sleeplessness occur; 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 persistent headache. 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 the recommended dose (overdose) may cause liver damage. In case of overdose, get medical help or contact a poison control center right away (1-800-222-1222). Quick medical attention is critical for adults as well as for children even if you do not notice any signs or symptoms.