Since 1931, Alka-Seltzer has been the fizzy medicine of choice for upset stomachs, indigestion, headaches, and more. While it ...

You may already realize this; Alka-Seltzer tablets contain aspirin, anhydrous citric acid, and sodium bicarbonate. Important ...

Here are some tips from the experts for using these medicines safely. Even some antacids - such as Alka-Seltzer -- contain aspirin, which can be a special risk to people with ulcers. "It's very ...

Alka-Seltzer is a common antacid used to relieve an upset stomach ... The carbon dioxide forms when two key ingredients in these tablets, citric acid and baking soda (sodium bicarbonate), dissolve in ...