if you have trouble or pain swallowing food, vomitiing with blood, or bloody or black stools. These may be signs of a serious condition. See your doctor.
to relieve symptoms, swallow 1 tablet with a glass of water. Do not chew.
to prevent symptoms, swallow 1 tablet with a glass of water at any time from 10 to 60 minutes before eating food or drinking beverages that cause heartburn.