Warnings: Liver warning: (Night Time only) This product contains acetaminophen. Severe liver damage may occur if you take: more than 6 doses in 24 hours, which is the maximum daily amount; with other drugs that contain acetaminophen; 3 or more alcoholic drink daily while using this product. Sore throat warning: (Night Time only) 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 whether a drug contains acetaminophen, ask a doctor or pharmacist) (Night Time only); with any other drug containing diphenhydramine, even one used on the skin (Night Time only); 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; for children under 12 years of age. Ask a doctor before use if you have: liver disease (Night Time only); high blood pressure; heart disease; thyroid disease; diabetes; trouble urinating due to an enlarged prostate gland; glaucoma (Night Time only); a breathing problem such as emphysema or chronic bronchitis (Night Time only); persistent or chronic cough such as occurs with smoking, asthma, chronic 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 (Night Time Only); taking sedatives or tranquilizers (Night Time only). When using this product: do not use more than directed; In addition, for Night Time only: excitability may occur, especially in children; marked drowsiness may occur; alcohol, sedatives and tranquilizers may increase drowsiness; avoid alcoholic drinks; be careful when driving a motor vehicle or operating machinery. Stop use and ask a doctor if: nervousness, dizziness or sleeplessness occur; Symptoms do not get better within 7 days or occur with fever (Day Time only); pain or nasal congestion gets worse or lasts more than 7 days (Night Time only); fever gets worse, or lasts more than 3 days (Night Time only); redness or swelling is present (Night Time only); new symptoms occur (Night Time only); cough comes back, or occurs with rash or persistent headache that lasts. These could be signs of a serious condition. Pregnancy/breast-feeding warning: If pregnant or breastfeeding, 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. Overdose Warning: (Night Time only) Taking more than the recommended dose (overdose) may cause liver damage. Quick medical attention is critical for adults as well as for children even if you do not notice any signs or symptoms. Other warnings: Do not take the Mucinex Fast-Max Day Time Severe Congestion & Cough and the Mucinex Fast-Max Night Time Cold & Flu liquids at the same time. Do not take more than a total of 6 doses in a 24 hour period. Take only as directed.