Warning: not for use if you are pregnant, nursing, or under 18 years of age. Consult your healthcare provider prior to use if you are taking any medication, have or have had liver problems, or frequently consume alcohol. Stop use and see a doctor if you develop symptoms that may signal liver problems (e.g., unexplained fatigue, abdominal pain, loss of appetite, fever, vomiting, dark urine, pale stools, yellow eyes or skin). Not for use with alcoholic beverages. Excessive use or use with products that cause drowsiness may impair your ability to operate a vehicle or heavy equipment.