Indications and uses
for the relief of heartburn acid indigestion upset stomach associated with these symptoms
for the relief of heartburn acid indigestion upset stomach associated with these symptoms
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
Anhydrous citric acid 1000 mg
Sodium bicarbonate (heat-treated) 1940 mg
Active ingredients (in each tablet)...................................................................................Purpose
Anhydrous citric acid 1000 mg....................................................................................... Antacid
Sodium bicarbonate (heat-treated) 1940 mg ..............................................................Antacid
for the relief of
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 a sodium-restricted diet
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 do not exceed recommended dosage
Stop use and ask a doctor if you have taken the maximum dose for 2 weeks
If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children.
Keep out of reach of children.
| 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 |
acesulfame potassium, aspartame, flavors, magnesium stearate, mannitol
Questions or comments? 1-800-986-0369 (Mon – Fri 9AM – 5PM EST)
| RxCUI | RxNorm string | TTY | SPL version |
|---|---|---|---|
| 1536470 | citric acid 1000 MG / sodium bicarbonate 1940 MG Effervescent Oral Tablet | PSN | 6 |
| 1536470 | citric acid 1000 MG / sodium bicarbonate 1940 MG Effervescent Oral Tablet | SCD | 6 |
| 1536470 | Citric Acid 1000 MG / NaHCO3 1940 MG Effervescent Oral Tablet | SY | 6 |
| Class | Version | Type | Effective |
|---|---|---|---|
| ANHYDROUS CITRIC ACID Pharmacologic Class Indexing | 3 | Indexing - Pharmacologic Class | 20180813 |
| SODIUM CATION Pharmacologic Class Indexing | 2 | Indexing - Pharmacologic Class | 20180813 |
| Package NDC | Product | Description | Form | Quantity | Strength | SPL version |
|---|---|---|---|---|---|---|
| 0280-0047-36 | Alka-Seltzer Heartburn | 18 in 1 CARTON | TABLET, EFFERVESCENT | 18 | 6 | |
| 0280-0047-36 | Alka-Seltzer Heartburn | 2 in 1 POUCH | TABLET, EFFERVESCENT | 2 | 6 |
Every source-derived product name is available through these pages.
| Product NDC | Package NDC |
|---|---|
| 0280-0047 | 0280-0047-36 |
Every source-derived ingredient row is available through these pages.
| Name | UNII | Kind |
|---|---|---|
| CITRIC ACID MONOHYDRATE | 2968PHW8QP | ACTIM |
| MAGNESIUM STEARATE | 70097M6I30 | IACT |
| MANNITOL | 3OWL53L36A | IACT |
| ASPARTAME | Z0H242BBR1 | IACT |
| SODIUM BICARBONATE | 8MDF5V39QO | ACTIB |
| ACESULFAME POTASSIUM | 23OV73Q5G9 | IACT |
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.
| Brand | Generic | Manufacturer | SPL set ID | Effective date | Available safety fields | Join |
|---|---|---|---|---|---|---|
| Alka-Seltzer Heartburn | ANHYDROUS CITRIC ACID, SODIUM BICARBONATE (HEAT-TREATED) | Bayer HealthCare LLC. | 55158e50-0327-2043-e054-00144ff8d46c | 2025-12-04 | Warnings | 0280-0047-36 0280-0047 00280004736 45261b62-1428-8c69-e063-6294a90a011f 55158e50-0327-2043-e054-00144ff8d46c |
Adverse event summaries are temporarily unavailable. Other product information remains available.