Warnings Allergy alert: Do not use if you are allergic to cimetidine or other acid reducers Do not use • if you have trouble or pain swallowing food, vomiting with blood, or bloody or black stools. These may be signs of a serious condition. See your doctor. • with other acid reducers Ask a doctor before use if you have • frequent chest pain • frequent wheezing, particularly with heartburn • unexplained weight loss • nausea or vomiting • stomach pain • had heartburn over 3 months. This may be a sign of a more serious condition. • heartburn with lightheadedness, sweating or dizziness • chest pain or shoulder pain with shortness of breath; sweating; pain spreading to arms, neck or shoulders; or lightheadedness • kidney disease • liver disease Ask a doctor or pharmacist before use if you are taking • a prescription drug. Acid reducers may interact with certain prescription drugs. Stop use and ask a doctor if • you need to take this product for more than 14 days • stomach pain continues • your heartburn continues or worsens 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 (1-800-222-1222).