Nexafed Sinus Pressure + Pain lists the following warnings related to potential side effects:
- “Liver warning: This product contains acetaminophen. Severe liver damage may occur if you take: more than 8 tablets in 24 hours, which is the maximum daily amount for this product, with any other drugs containing acetaminophen or 3 or more alcoholic drinks every day while using this product.”
- “Allergy Alert: acetaminophen may cause severe skin reactions. Symptoms may include: ▪ skin reddening ▪ blisters ▪ rash. If a skin reaction occurs, stop use and seek medical help right away.”
- “Do not exceed recommended dosage. If nervousness, dizziness, or sleeplessness occur, discontinue use and consult a doctor.”
- “If symptoms do not improve within 7 days or are accompanied by fever, consult a doctor.”
- “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.”
- “Ask a doctor before use if you have liver disease.”
- “Ask a doctor or pharmacist before use if you are taking the blood thinning drug warfarin.”
- “Do not take this product if you have heart disease, high blood pressure, thyroid disease, diabetes, trouble urinating due to an enlarged prostate gland unless directed by a doctor.”
- “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.”
- “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.”