Alka-Seltzer® Lemon-Lime:Great-Tasting ReliefGently breaks up and dissolves away the full feeling of indigestion and pain fast Refreshing lemon-lime flavor Uses for the relief of:heartburn, acid indigestion, and sour stomach when accompanied with headache or body aches and pains upset stomach with headache from overindulgence in food or drink headache, body aches, and pain alone The Alka-Seltzer® Experience." After dropping the tablet into water, you can rest assured that relief is on the way. Simply put, the medicine dissolves fast and is ready to work the instant you take it. The time it would take for the body to dissolve a solid form pain reliever is eliminated