Uses, Dosage & Side Effects: Alka-Seltzer Tablet

Alka-Seltzer Tablet

Generic nameaspirin, sodium bicarbonate, and citric acid
Drug classSalicylates
FormsEffervescent tablets, Chewable tablets, Tablet

Alka-Seltzer is an over-the-counter combination medicine made of two antacids (citric acid and sodium bicarbonate) and an analgesic (aspirin). It comes as effervescent tablets that you dissolve in water. It is used for quick relief of heartburn, acid indigestion, sour stomach, and headaches or body aches that come with an upset stomach.

Read the full guideUses, dosage, side effects, precautions, and sources, written from the same verified facts.

General information, not medical advice

Your prescriber and the leaflet in your pack know your situation. This page does not.

  • Follow your prescriber and the leaflet
  • Don't start, stop, or change a dose on your own
  • Doses and warnings differ by country and product
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