Alka-Seltzer
Alka Seltzer is a Bayer product - an effervescent antacid and pain reliever. Alka-Seltzer is marketed for relief of minor aches, pains, inflammation, fever, headache, heartburn, stomachache, indigestion, acid reflux and hangovers, while neutralizing excess stomach acid.
Alka-Seltzer contains three active ingredients; aspirin (acetylsalicylic acid) (ASA), sodium bicarbonate, and anhydrous citric acid