What are you doing about that heartburn? Yes, HEARTBURN – that burning and painful feeling in your throat or chest caused by refluxed stomach acid. The active ingredient in HealthCareAisle Maximum Strength Acid Reducer, Famotidine, is a Histamine-2 (H2) Receptor Antagonist (H2 blocker) that helps prevent and relieve heartburn.This medicine is approved for prevention and relief of heartburn associated with acid indigestion and sour stomach brought on by eating or drinking certain foods and beverages. Tips for Managing Heartburn: - Do not lie flat or bend over after eating - Do not wear tight-fitting clothing around the stomach - Do not eat before bedtime - Raise the head of your bed - Avoid heartburn-causing foods such as rich, spicy, fatty or fried foods, chocolate, caffeine, alcohol and certain fruits and vegetables - Eat slowly and avoid big meals - If overweight, lose weight - Quit smoking. This product is not manufactured or distributed by Chattem, Inc., distributor of Zantac 360°. Zantac 360° is a trademark of Chattem, Inc.