Medi-First Antacid
- Product NDC
- 47682-820
- 11-digit product format
- 476820820
- Labeler code
- 47682
- Product ID
- 47682-820_3e4be5ad-5b19-b8da-e063-6394a90a50d6
- Type
- HUMAN OTC DRUG
- Nonproprietary name
- calcium carbonate
- Dosage form
- TABLET, CHEWABLE
- Route
- ORAL
- Labeler
- Unifirst First Aid Corporation
- Application
- M001
- Marketing category
- OTC MONOGRAPH DRUG
- Marketing start
- 2014-06-15
- Substance
- CALCIUM CARBONATE
- Active strength
- 420 mg/1
- Pharmacologic classes
- Blood Coagulation Factor [EPC], Calcium [CS], Cations, Divalent [CS], Increased Coagulation Factor Activity [PE], Phosphate Binder [EPC], Phosphate Chelating Activity [MoA]
- NDC exclude flag
- No
- Listing certified through
- 2026-12-31
- Current FDA listing
- Yes
Reported adverse events (FAERS/openFDA)#
Adverse event summaries are temporarily unavailable. Other product information remains available.
Additional Listing Data#
- Finished product
- Yes
- Brand name base
- Medi-First Antacid
- Listing expiration
- 2026-12-31
Active Ingredients#
| Ingredient | Strength |
|---|---|
| CALCIUM CARBONATE | 420 mg/1 |
Harmonized UNII identifiers#
| Identifier | FDA.report destination |
|---|---|
| H0G9379FGK | Internal UNII lookup |
Harmonized RxCUI identifiers#
| Identifier | FDA.report destination |
|---|---|
| 313884 | Internal RxNorm lookup |
Harmonized SPL set identifiers#
| Identifier | FDA.report destination |
|---|---|
| 60703e3d-52b1-49c4-b4e2-59d96fa09a78 | Available on FDA.report |
DailyMed Product Concepts#
DailyMed Package Descriptions#
| Package NDC | Product | Description | Form | Quantity | Strength | SPL version |
|---|---|---|---|---|---|---|
| 47682-820-13 | Medi-First Antacid | 250 in 1 BOX | TABLET, CHEWABLE | 250 | 17 | |
| 47682-820-33 | Medi-First Antacid | 50 in 1 BOX | TABLET, CHEWABLE | 50 | 17 | |
| 47682-820-48 | Medi-First Antacid | 125 in 1 BOX | TABLET, CHEWABLE | 125 | 17 | |
| 47682-820-50 | Medi-First Antacid | 25 in 1 BOX | TABLET, CHEWABLE | 25 | 17 | |
| 47682-820-99 | Medi-First Antacid | 2 in 1 PACKET | TABLET, CHEWABLE | 2 | 17 | |
| 47682-820-99 | Doc in the BoxAll Day Supply | 2 in 1 PACKET | TABLET, CHEWABLE | 4 in 2 | 420 mg | 5 |
| 47682-820-99 | Meds on the Go | 2 in 1 PACKET | TABLET, CHEWABLE | 4 in 2 | 420 mg | 1 |
DailyMed Socrata Ingredients#
DailyMed Dashboard NDC Coverage#
| NDC | Dashboard title | SPL version | Validation | Dashboard ZIP |
|---|---|---|---|---|
| 47682-820 | MEDIQUE ALCALAK (CALCIUM CARBONATE) TABLET, CHEWABLE MEDI-FIRST ANTACID (CALCIUM CARBONATE) TABLET, CHEWABLE MEDI-FIRST PLUS ANTACID (CALCIUM CARBONATE) TABLET, CHEWABLE [UNIFIRST FIRST AID CORPORATION] | 16 | Current NDC, Legacy NDC, 5 package rows | 20250210_60703e3d-52b1-49c4-b4e2-59d96fa09a78.zip |
| 47682-820 | DOC IN THE BOX ALL DAY SUPPLY (ACETAMINOPHEN, CALCIUM CARBONATE, DEXTROMETHORPHAN HBR, GUAIFENESIN, PHENYLEPHRINE HCL, IBUPROFEN, LOPERAMIDE HCL) KIT [DOC IN THE BOX LLC] | 5 | Current NDC, Legacy NDC | 20190328_6545b440-21fe-fb21-e053-2991aa0a3e9f.zip |
| 47682-820 | MEDS ON THE GO (ACETAMINOPHEN, CALCIUM CARBONATE, DEXTROMETHORPHAN HBR, GUAIFENESIN, PHENYLEPHRINE HCL, IBUPROFEN, LOPERAMIDE HCL) KIT [DOC IN THE BOX LLC] | 1 | Current NDC, Legacy NDC | 20190329_7db77515-9796-5094-e053-2a91aa0a0b9a.zip |
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.
| Brand | Generic | Manufacturer | SPL set ID | Effective date | Available safety fields | Join |
|---|---|---|---|---|---|---|
| FEVIA Acid Control | CALCIUM CARBONATE | VIVUNT PHARMA LLC | 4b1bd2d1-c909-f5db-e063-6394a90a84bc | 2026-07-15 | Warnings | M001 |
| FEVIA Acid Control | CALCIUM CARBONATE | VIVUNT PHARMA LLC | 4d695a90-6502-3020-e063-6394a90ab0c3 | 2026-07-15 | Warnings | M001 |
| GOOD NEIGHBOR PHARMACY Antacid Extra Strength | ALUMINUM HYDROXIDE AND MAGNESIUM CARBONATE | Amerisource Bergen | 5e346dc0-69ce-4cc5-bb5d-bfa833e11c1f | 2026-07-13 | Warnings | M001 |
| Major Regular Strength Assorted Flavors | ANTACID TABLETS | Major Pharmaceuticals | 2ba0eeb2-7048-4259-83d5-9f4ec1c92d32 | 2026-07-13 | Warnings | M001 |
| Good Neighbor Extra Strength Assorted Fruits | CALCIUM CARBONATE | AMERISOURCE BERGEN | abf564a1-0823-433d-a023-8be4e085daf4 | 2026-07-13 | Warnings | M001 |
| Omeprazole, 24/7 Life by 7-Eleven | OMEPRAZOLE TABLET, DELAYED RELEASE | Lil' Drug Store Products, Inc. | 36d8a272-6cca-e759-e063-6394a90a9df8 | 2026-07-08 | Warnings | M001 |
| TUMS ULTRA | CALCIUM CARBONATE | Haleon US Holdings LLC | f4786707-a0f7-4ba8-9656-06278d1b4b6c | 2026-07-07 | Warnings | M001 |
| Tums Ultra | CALCIUM CARBONATE | Haleon US Holdings LLC | c544120f-15f0-48b5-88b2-d4820f180f50 | 2026-07-07 | Warnings | M001 |
| Regular Strength Assorted Flavors | ANTACID CALCIUM CARBONATE | AKRON PHARMA INC | 3f7fe022-aee9-b899-e063-6394a90afb4e | 2026-07-07 | Warnings | M001 |
| Magnesium Oxide | MAGNESIUM OXIDE | Westminster Pharmaceuticals, LLC | 52eeac0e-94bb-48c3-81dc-578e96406c01 | 2026-07-06 | Warnings | M001 |
| Kids Tummy Relief | CALCIUM CARBONATE | PNP Pharmaceuticals Inc. | 5103a317-5c4a-ec96-e063-6294a90aad7e | 2026-07-01 | Warnings | M001 |
| Rolaids MAX STRENGTH 1500 | CALCIUM CARBONATE, MAGNESIUM HYDROXIDE | THE PROCTER & GAMBLE MANUFACTURING COMPANY | 47f5a78b-66b6-2e09-e063-6294a90a8ad5 | 2026-07-01 | Warnings | M001 |
| Childrens Antacid | CALCIUM CARBONATE | DOLGENCORP, LLC | 4d6ebc7e-ef39-47e8-91e9-f38484329fa9 | 2026-06-30 | Warnings | M001 |
| Ultra Strength Antacid | CALCIUM CARBONATE CHEWABLE TABLETS | CVS Pharmacy. Inc. | 24cec2bc-cf12-b513-e063-6394a90a9447 | 2026-06-30 | Warnings | M001 |
| Childrens Stomach Relief | CALCIUM CARBONATE | Chain Drug Marketing Association, Inc. | fb47d693-72d7-4586-9855-5e833ad1406f | 2026-06-18 | Warnings | M001 |
| Dr. Sana Alivio Digestivo UPSET STOMACH | EFEFERVESCENT ANTACID | EVI LABS | 51b8750c-3fcf-2543-e063-6394a90a7a8f | 2026-06-16 | Warnings | M001 |
| E-Z-GAS II | ANTACID/ANTIFLATULENT | E-Z-EM, INC. | 4e12e1cb-b033-076d-e054-00144ff8d46c | 2026-06-15 | Warnings | M001 |
| Sodium Bicarbonate | SODIUM BICARBONATE | Cardinal Health 107, LLC | 60c2a176-8854-4479-b853-d07fe9a1830c | 2026-06-12 | Warnings | M001 |
| Mag-Al Plus | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, AND SIMETHICONE | Cardinal Health 107, LLC | 08df7403-9ee3-4a43-a151-c1a6ef7a7549 | 2026-06-10 | Warnings | M001 |
| Childrens Antacid | CALCIUM CARBONATE | Rite Aid Corporation | d09c2d99-9a1f-4eae-a048-ab6dbf74a798 | 2026-06-09 | Warnings | M001 |
DailyMed RxNorm Mappings#
| RxCUI | RxNorm string | TTY | DailyMed | SPL version |
|---|---|---|---|---|
| 313884 | calcium carbonate 420 MG (Ca 168 MG) Chewable Tablet | PSN | 60703e3d-52b1-49c4-b4e2-59d96fa09a78 | 17 |
| 313884 | calcium carbonate 420 MG Chewable Tablet | SCD | 60703e3d-52b1-49c4-b4e2-59d96fa09a78 | 17 |
| 313884 | calcium carbonate 420 MG (calcium 168 MG) Chewable Tablet | SY | 60703e3d-52b1-49c4-b4e2-59d96fa09a78 | 17 |
| 1367204 | acetaminophen 325 MG / dextromethorphan HBr 15 MG / guaiFENesin 200 MG / phenylephrine HCl 5 MG Oral Tablet | PSN | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 198440 | acetaminophen 500 MG Oral Tablet | PSN | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 313884 | calcium carbonate 420 MG (Ca 168 MG) Chewable Tablet | PSN | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 978012 | Diamode 2 MG Oral Tablet | PSN | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 310965 | ibuprofen 200 MG Oral Tablet | PSN | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 978010 | loperamide HCl 2 MG Oral Tablet | PSN | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 978012 | loperamide hydrochloride 2 MG Oral Tablet [Diamode] | SBD | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 1367204 | acetaminophen 325 MG / dextromethorphan hydrobromide 15 MG / guaifenesin 200 MG / phenylephrine hydrochloride 5 MG Oral Tablet | SCD | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 198440 | acetaminophen 500 MG Oral Tablet | SCD | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 313884 | calcium carbonate 420 MG Chewable Tablet | SCD | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 310965 | ibuprofen 200 MG Oral Tablet | SCD | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 978010 | loperamide hydrochloride 2 MG Oral Tablet | SCD | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 1367204 | APAP 325 MG / dextromethorphan hydrobromide 15 MG / guaifenesin 200 MG / phenylephrine hydrochloride 5 MG Oral Tablet | SY | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 198440 | APAP 500 MG Oral Tablet | SY | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 313884 | calcium carbonate 420 MG (calcium 168 MG) Chewable Tablet | SY | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 978012 | Diamode 2 MG Oral Tablet | SY | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 310965 | ibuprofen 200 MG (as ibuprofen sodium 256 MG) Oral Tablet | SY | 6545b440-21fe-fb21-e053-2991aa0a3e9f | 5 |
| 1367204 | acetaminophen 325 MG / dextromethorphan HBr 15 MG / guaiFENesin 200 MG / phenylephrine HCl 5 MG Oral Tablet | PSN | 7db77515-9796-5094-e053-2a91aa0a0b9a | 1 |
| 313782 | acetaminophen 325 MG Oral Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 313782 | acetaminophen 325 MG Oral Tablet | PSN | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 198440 | acetaminophen 500 MG Oral Tablet | PSN | 7db77515-9796-5094-e053-2a91aa0a0b9a | 1 |
| 153008 | Advil 200 MG Oral Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 1536680 | Alka-Seltzer 325 MG / 1000 MG / 1916 MG Effervescent Oral Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 1536675 | aspirin 325 MG / citric acid 1000 MG / sodium bicarbonate 1916 MG Effervescent Oral Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 2606079 | aspirin 325 MG Effervescent Oral Tablet | PSN | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 212033 | aspirin 325 MG Oral Tablet | PSN | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 212033 | aspirin 325 MG Oral Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 308761 | bismuth subsalicylate 262 MG Chewable Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 308761 | bismuth subsalicylate 262 MG Chewable Tablet | PSN | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 313884 | calcium carbonate 420 MG (Ca 168 MG) Chewable Tablet | PSN | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 313884 | calcium carbonate 420 MG (Ca 168 MG) Chewable Tablet | PSN | 7db77515-9796-5094-e053-2a91aa0a0b9a | 1 |
| 313884 | calcium carbonate 420 MG (Ca 168 MG) Chewable Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 978012 | Diamode 2 MG Oral Tablet | PSN | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 978012 | Diamode 2 MG Oral Tablet | PSN | 7db77515-9796-5094-e053-2a91aa0a0b9a | 1 |
| 978012 | Diamode 2 MG Oral Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 1049630 | diphenhydrAMINE HCl 25 MG Oral Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 1049630 | diphenhydrAMINE HCl 25 MG Oral Tablet | PSN | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 310965 | ibuprofen 200 MG Oral Tablet | PSN | 7db77515-9796-5094-e053-2a91aa0a0b9a | 1 |
| 310965 | ibuprofen 200 MG Oral Tablet | PSN | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 310965 | ibuprofen 200 MG Oral Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 978010 | loperamide HCl 2 MG Oral Tablet | PSN | 7db77515-9796-5094-e053-2a91aa0a0b9a | 1 |
| 978010 | loperamide HCl 2 MG Oral Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 978010 | loperamide HCl 2 MG Oral Tablet | PSN | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 1020126 | Loradamed 10 MG 24HR Oral Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 1020126 | Loradamed 10 MG 24HR Oral Tablet | PSN | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 311372 | loratadine 10 MG 24HR Oral Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 311372 | loratadine 10 MG 24HR Oral Tablet | PSN | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 995666 | meclizine HCl 25 MG Oral Tablet | PSN | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 995666 | meclizine HCl 25 MG Oral Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 211151 | Pepto-Bismol 262 MG Chewable Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 1049182 | phenylephrine HCl 10 MG Oral Tablet | PSN | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 1049182 | phenylephrine HCl 10 MG Oral Tablet | PSN | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 1536680 | aspirin 325 MG / citric acid 1000 MG / sodium bicarbonate 1916 MG Effervescent Oral Tablet [Alka-Seltzer] | SBD | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 211151 | bismuth subsalicylate 262 MG Chewable Tablet [Pepto-bismol] | SBD | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 153008 | ibuprofen 200 MG Oral Tablet [Advil] | SBD | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 978012 | loperamide hydrochloride 2 MG Oral Tablet [Diamode] | SBD | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 978012 | loperamide hydrochloride 2 MG Oral Tablet [Diamode] | SBD | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 978012 | loperamide hydrochloride 2 MG Oral Tablet [Diamode] | SBD | 7db77515-9796-5094-e053-2a91aa0a0b9a | 1 |
| 1020126 | loratadine 10 MG Oral Tablet [Loradamed] | SBD | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 1020126 | loratadine 10 MG Oral Tablet [Loradamed] | SBD | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 1367204 | acetaminophen 325 MG / dextromethorphan hydrobromide 15 MG / guaifenesin 200 MG / phenylephrine hydrochloride 5 MG Oral Tablet | SCD | 7db77515-9796-5094-e053-2a91aa0a0b9a | 1 |
| 313782 | acetaminophen 325 MG Oral Tablet | SCD | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 313782 | acetaminophen 325 MG Oral Tablet | SCD | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 198440 | acetaminophen 500 MG Oral Tablet | SCD | 7db77515-9796-5094-e053-2a91aa0a0b9a | 1 |
| 1536675 | aspirin 325 MG / citric acid 1000 MG / sodium bicarbonate 1916 MG Effervescent Oral Tablet | SCD | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 2606079 | aspirin 325 MG Effervescent Oral Tablet | SCD | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 212033 | aspirin 325 MG Oral Tablet | SCD | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 212033 | aspirin 325 MG Oral Tablet | SCD | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 308761 | bismuth subsalicylate 262 MG Chewable Tablet | SCD | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 308761 | bismuth subsalicylate 262 MG Chewable Tablet | SCD | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 313884 | calcium carbonate 420 MG Chewable Tablet | SCD | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 313884 | calcium carbonate 420 MG Chewable Tablet | SCD | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 313884 | calcium carbonate 420 MG Chewable Tablet | SCD | 7db77515-9796-5094-e053-2a91aa0a0b9a | 1 |
| 1049630 | diphenhydramine hydrochloride 25 MG Oral Tablet | SCD | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
| 1049630 | diphenhydramine hydrochloride 25 MG Oral Tablet | SCD | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 310965 | ibuprofen 200 MG Oral Tablet | SCD | 522da86b-cfd7-dd20-e063-6394a90a51c6 | 1 |
| 310965 | ibuprofen 200 MG Oral Tablet | SCD | 4feee16b-43be-bb71-e063-6394a90af959 | 1 |
Packages#
| Package NDC | 11-digit format | Description | Units | Marketing start | Marketing end | Sample | Exclude flag | Status |
|---|---|---|---|---|---|---|---|---|
| 47682-820-13 | 47682082013 | 250 PACKET in 1 BOX (47682-820-13) / 2 TABLET, CHEWABLE in 1 PACKET (47682-820-99) | 250 packet | 2014-06-15 | 0000-00-00 | No | No | Current |
| 47682-820-33 | 47682082033 | 50 PACKET in 1 BOX (47682-820-33) / 2 TABLET, CHEWABLE in 1 PACKET (47682-820-99) | 50 packet | 2014-06-15 | 0000-00-00 | No | No | Current |
| 47682-820-48 | 47682082048 | 125 PACKET in 1 BOX (47682-820-48) / 2 TABLET, CHEWABLE in 1 PACKET (47682-820-99) | 125 packet | 2014-06-15 | 0000-00-00 | No | No | Current |
| 47682-820-50 | 47682082050 | 25 PACKET in 1 BOX (47682-820-50) / 2 TABLET, CHEWABLE in 1 PACKET (47682-820-99) | 25 packet | 2019-04-01 | 0000-00-00 | No | No | Current |
| 47682-820-99 | 47682082099 | 2 TABLET, CHEWABLE in 1 PACKET (47682-820-99) | 2014-06-15 | 0000-00-00 | No | No | Current |