Maximum Strength Pepcid AC Heartburn Relief Medicine with famotidine help reduce & control acid Maximum strength acid controlling tablets relieve heartburn due to acid indigestion & sour stomach 1 tablet controls acid all day or night, based on results of 9-hr daytime & 12-hr nighttime studies Each tablet contains 20 mg of famotidine, a known acid reducer, for heartburn relief & acid control Acid reducer tablets can prevent heartburn if taken 10-60 minutes before consuming food or beverage Maximum Strength Pepcid AC in convenient packaging for on-the-go acid indigestion & heartburn relief Keep this heartburn medicine at home & in the office to relieve heartburn whenever it strikes Adults & children 12+, swallow one tablet with a glass of water to relieve symptoms; do not chew