Acetaminophen: Massive acetaminophen overdose can be toxic and potentially fatal. In adults, hepatotoxicity from acetaminophen is unlikely to occur with overdoses at less than 10 g ingested at one time and fatalities are unlikely to occur with overdoses of less than 15 g ingested at one time.

This package contains enough medicine to seriously harm a child. Keep out of reach of children. Avoid Alcohol. Use only on the advice of a doctor. Talk to a doctor before using this product if you have chronic alcoholism, serious liver or kidney disease, high blood pressure, heart or thyroid disease, diabetes, asthma, chronic lung disease/shortness of breath, persistent/chronic cough, glaucoma or difficulty urinating due to enlargement of prostate gland, or are elderly, pregnant, breast-feeding, or taking a drug for depression, including monoamine oxidase (MAO) inhibitor drugs. Check with a doctor if symptoms do not improve within 5 days or if cough worsens, lasts more than 7 days, or tends to recur or if you also have excessive secretions or fever for more than 3 days. Taking more than the recommended dose can cause serious liver damage, nervousness, dizziness or sleeplessness. In case of accidental overdose contact a doctor or Poison Control Centre immediately, even if there are no symptoms.

Benylin 1 Nightime Syrup: All warnings listed above apply. In addition, talk to a doctor before using this product if you are also taking other drugs such as antihistamines, sedatives and tranquilizers.

Benylin DM-D for Infants: Talk to a doctor or pharmacist before using this product if your infant or child has asthma, chronic lung disease/shortness of breath, persistent/chronic cough, glaucoma, diabetes, high blood pressure, heart or thyroid disease or is taking a drug for depression, including monoamine oxidase (MAO) inhibitor drugs. Check with a doctor if cough worsens, symptoms do not improve, last more than 7 days, tend to recur, or if child also has excessive secretions or fever. Nervousness, dizziness or sleeplessness may occur. In case of accidental overdose consult a doctor or Poison Control Centre immediately, even if there are no symptoms.