Substances or medications that neutralize stomach acid, used to relieve heartburn, indigestion, or acid reflux.
From anti- (meaning 'against') plus acid (from Latin acidus, meaning 'sour'), with the plural suffix -s; the word emerged in medical terminology in the early 20th century.
Your stomach produces acid strong enough to dissolve metal, but your stomach lining has special cells that protect it—antacids work by neutralizing some of that acid, which is why they only provide temporary relief!
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