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Alka-Seltzer Heartburn

Dosage form
TABLET, EFFERVESCENT
Labeler
Bayer HealthCare LLC.
Label updated
2025-12-04
Retrieved
2026-09-07
Active ingredients
SODIUM BICARBONATE
View original label and images on DailyMed ↗
Active ingredients (in each tablet)

Anhydrous citric acid 1000 mg

Sodium bicarbonate (heat-treated) 1940 mg

Purpose

Active ingredients (in each tablet)...................................................................................Purpose
Anhydrous citric acid 1000 mg....................................................................................... Antacid
Sodium bicarbonate (heat-treated) 1940 mg ..............................................................Antacid

Uses

for the relief of

  • heartburn
  • acid indigestion
  • upset stomach associated with these symptoms
Warnings

Do not use

Do not use if you have ever had an allergic reaction to this product or any of its ingredients

Ask a doctor before use if you have

Ask a doctor before use if you have a sodium-restricted diet

Ask a doctor or pharmacist before use if you are

Ask a doctor or pharmacist before use if you are presently taking a prescription drug.
Antacids may interact with certain prescription drugs.

When using this product

When using this product do not exceed recommended dosage

Stop use and ask a doctor

Stop use and ask a doctor if you have taken the maximum dose for 2 weeks

If pregnant or breast-feeding

If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children.

Keep out of reach of children

Keep out of reach of children.

Directions
  • fully dissolve 2 tablets in 4 ounces of water before taking
    adults and children 12 years and over 2 tablets every 4 hours as needed, or as directed by a doctor do not exceed 8 tablets in 24 hours
    adults 60 years and over 2 tablets every 4 hours as needed, or as directed by a doctor do not exceed 4 tablets in 24 hours
    children under 12 years consult a doctor

Other information
  • each tablet contains: sodium 575 mg
  • phenylketonurics: contains phenylalanine 5.6 mg per tablet
  • store at room temperature. Avoid excessive heat.
  • Alka-Seltzer Heartburn in water contains the antacid sodium citrate as the principal
    active ingredient
Inactive ingredients

acesulfame potassium, aspartame, flavors, magnesium stearate, mannitol

Questions or comments?

Questions or comments? 1-800-986-0369 (Mon – Fri 9AM – 5PM EST)

Alka-Seltzer Heartburn Effervescent Tablets

[Image in the official label — see DailyMed source]

DailyMed Set ID: 55158e50-0327-2043-e054-00144ff8d46c · Version 6
NDC: 0280-0047