Antacids are a type of medication used to treat symptoms of indigestion, heartburn, and acid reflux. The crossword solutions for the term antacid include BICARB (6 letters), CARBONATE (9 letters), Tums (4 letters), UPSET (5 letters), Rolaids (7 letters), Tum (3 letters), Magnesia (8 letters), ALKALI (6 letters), AGITA (5 letters), Zantac (6 letters), and Stomachache (11 letters). These medications work by neutralizing stomach acid and providing relief from the discomfort caused by digestive issues.