Warnings Liver warning: This product contains acetaminophen. Severe liver damage may occur if you take more than 4,000 mg of acetaminophen in 24 hours acetaminophen with other drugs containing 3 or more alcoholic drinks every day while using this product Allergy alert: Acetaminophen may cause severe skin reactions. Symptoms may include: blisters rash skin reddening If a skin reaction occurs, stop use and seek medical help right away. 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 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. if you have ever had an allergic reaction to this product or any of its ingredients Ask a doctor before use if you have heart disease diabetes thyroid disease difficulty in urination due to enlargement of the prostate gland persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema liver disease high blood pressure 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 exceed recommended dosage. Stop use and ask a doctor if nervousness, dizziness, or sleeplessness occur fever gets worse or lasts more than 3 days pain, nasal congestion, or cough gets worse or lasts more than 7 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. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. Overdose warning: In case of accidental overdose, get medical help or contact a Poison Control Center right away 1-800-222-1222. Prompt medical attention is critical for adults as well as for children even if you do not notice any signs or symptoms.