When using this product avoid alcoholic beverages drowsiness will occur do not drive a motor vehicle or operate machinery. Ask a doctor before use if you have 1a breathing problem such as emphysema or chronic bronchitis liver disease glaucoma difficulty in urination due to enlargement of the prostate gland. Ask a doctor or pharmacist before use if you are taking the blood thinning drug warfarin taking sedatives or tranquilizers. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of accidental 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. 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 13 or more alcoholic drinks every day while using this product Allergy alert: Acetaminophen may cause severe skin reactions. Symptoms may include: skin reddening u blisters rash If a skin reaction occurs, stop use and seek medical help right away. Do not use with any other product containing diphenhydramine, even one used on skin in children under 12 years of age 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 have ever had an allergic reaction to this product or any of its ingredients . Stop use and ask a doctor if sleeplessness persists continuously for more than 2 weeks. Insomnia may be a symptom of a serious underlying medical illness. redness or swelling is present new symptoms occur pain gets worse or lasts more than 10 days fever gets worse or lasts more than 3 days These could be signs of a serious condition.