what is the difference between alka seltzer and alka seltzer plus?
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. It was launched in 1931. Its sister product, Alka-Seltzer Plus, treats cold and flu symptoms.