Plop, Plop, Fizz, Fizz, Alka-Seltzer is the go to over the counter effervescent medicine for heartburn, Upset stomach, Acid indigestion, Body aches, Head aches and more. Dissolves completely in water for fast relief. Take any time morning, noon or night relief is just a swallow away. 116 effervescent tablets Exp Feb 2020
