Maximum strength. Just one tablet prevents and relieves heartburn due to acid indigestion. Walg Acid Reducer Famotidine 20 mg 25ct. Made in India Adults and children 12 years and over: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. Do not use more than 2 tablets in 24 hours. Children under 12 years: ask a doctor