Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers taking the blood thinning drug warfarin. Stop use and ask a doctor if nervousness, dizziness, or sleeplessness occurs fever gets worse or lasts more than 3 days redness or swelling is present new symptoms occur pain, cough or nasal congestion gets worse or lasts more than 7 days cough comes back or occurs with rash or headache that lasts. Ask a doctor before use if you have liver disease heart disease high blood pressure thyroid disease diabetes glaucoma trouble urinating due to an enlarged prostate gland a breathing problem such as emphysema or chronic bronchitis cough that occurs with too much phlegm (mucus) cough that lasts or is chronic such as occurs with smoking, asthma or emphysema. 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. Prompt medical attention is critical for adults as well as for children even if you do not notice any signs or symptoms. These could be signs of a serious condition. Liver warning: This product contains acetaminophen. Severe liver damage may occur if you take more than 4,000 mg of acetaminophen in 24 hours with other drugs containing acetaminophen 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. 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. When using this product do not exceed recommended dosage avoid alcoholic drinks marked drowsiness may occur alcohol, sedatives and tranquilizers may increase drowsiness be careful when driving a motor vehicle or operating machinery excitability may occur, especially in children. Do not use in a child under 12 years of age if you are allergic to acetaminophen with any other drug containing acetaminophen (prescription or nonprescription). If you are not sure whether a drug contains acetaminophen, ask a doctor or pharmacist. with any other product 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.