Regular Strength. Just one tablet prevents and relieves heartburn due to acid indigestion. Acid Controller Famotidine Tablets, USP 10 mg Acid Reducer Original Strength, 30 count. 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