Alka-Seltzer Heartburn Effervescent Tablets

Manufacturer
Bayer HealthCare LLC.
Effective date
2025-12-04
Label type
HUMAN OTC DRUG LABEL
Version
6
Source
full-release
Hydrated at
2026-06-01 01:19:50

Label at a glance#

ProductAlka-Seltzer Heartburn
Active ingredientCITRIC ACID MONOHYDRATE, SODIUM BICARBONATE
Label structure11 sections

Indications and uses

for the relief of heartburn acid indigestion upset stomach associated with these symptoms

Dosage and administration

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

Label contents#

Full prescribing information#

Active ingredients (in each tablet)

OTC - ACTIVE INGREDIENT SECTION

Anhydrous citric acid 1000 mg

Sodium bicarbonate (heat-treated) 1940 mg

Purpose

OTC - PURPOSE SECTION

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

Uses

INDICATIONS & USAGE SECTION

for the relief of

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

Warnings

WARNINGS SECTION

Do not use

OTC - DO NOT USE SECTION

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

OTC - ASK DOCTOR SECTION

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

Ask a doctor or pharmacist before use if you are

OTC - ASK DOCTOR/PHARMACIST SECTION

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

OTC - WHEN USING SECTION

When using this product do not exceed recommended dosage

Stop use and ask a doctor

OTC - STOP USE SECTION

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

If pregnant or breast-feeding

OTC - PREGNANCY OR BREAST FEEDING SECTION

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

Keep out of reach of children

OTC - KEEP OUT OF REACH OF CHILDREN SECTION

Keep out of reach of children.

Directions

DOSAGE & ADMINISTRATION SECTION

  • fully dissolve 2 tablets in 4 ounces of water before taking
    adults and children 12 years and over2 tablets every 4 hours as needed, or as directed by a doctordo not exceed 8 tablets in 24 hours
    adults 60 years and over2 tablets every 4 hours as needed, or as directed by a doctordo not exceed 4 tablets in 24 hours
    children under 12 yearsconsult a doctor

Other information

OTHER SAFETY 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

INACTIVE INGREDIENT SECTION

acesulfame potassium, aspartame, flavors, magnesium stearate, mannitol

Questions or comments?

OTC - QUESTIONS SECTION

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

Alka-Seltzer Heartburn Effervescent Tablets

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

36ct36ct

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUIRxNorm stringTTYSPL version
1536470citric acid 1000 MG / sodium bicarbonate 1940 MG Effervescent Oral TabletPSN6
1536470citric acid 1000 MG / sodium bicarbonate 1940 MG Effervescent Oral TabletSCD6
1536470Citric Acid 1000 MG / NaHCO3 1940 MG Effervescent Oral TabletSY6

DailyMed Pharmacologic Classes#

Class, Version, Type table
ClassVersionTypeEffective
ANHYDROUS CITRIC ACID Pharmacologic Class Indexing3Indexing - Pharmacologic Class20180813
SODIUM CATION Pharmacologic Class Indexing2Indexing - Pharmacologic Class20180813

DailyMed Product Concepts#

Product concept, Relation, Version table
Product conceptRelationVersionEffective
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DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDCProductDescriptionFormQuantityStrengthSPL version
0280-0047-36Alka-Seltzer Heartburn18 in 1 CARTONTABLET, EFFERVESCENT186
0280-0047-36Alka-Seltzer Heartburn2 in 1 POUCHTABLET, EFFERVESCENT26

Products#

Every source-derived product name is available through these pages.

DailyMed product names page 1 of 1 · 10 matching rows.

NDC Codes#

Product NDC, Package NDC table
Product NDCPackage NDC
0280-00470280-0047-36

Ingredients#

Every source-derived ingredient row is available through these pages.

DailyMed ingredient rows page 1 of 1 · 6 matching rows.

Source Document#

Source XML

openFDA label cross-check#

OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.

Matched openFDA labels page 1 of 1 · 1 matching rows.

Brand, Generic, Manufacturer table
BrandGenericManufacturerSPL set IDEffective dateAvailable safety fieldsJoin
Alka-Seltzer HeartburnANHYDROUS CITRIC ACID, SODIUM BICARBONATE (HEAT-TREATED)Bayer HealthCare LLC.55158e50-0327-2043-e054-00144ff8d46c2025-12-04WarningsExact identifier
ndc (package): 0280-0047-36
ndc (product): 0280-0047
ndc11 (package): 00280004736
spl id: 45261b62-1428-8c69-e063-6294a90a011f
spl set id: 55158e50-0327-2043-e054-00144ff8d46c

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.