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 |
|---|---|---|---|---|---|---|
| Kroger Extra Strength Sugar Free | CALCIUM CARBONATE | KROGER COMPANY | 3f737ce2-961e-4bd0-ae6d-078248cf1c67 | 2026-08-31 | Warnings | M001 |
| Kroger Extra Strength Assorted Berry | CALCIUM CARBONATE | KROGER COMPANY | fa191237-d230-4528-8dff-50e8d5c65b6d | 2026-08-31 | Warnings | M001 |
| Kroger Ultra Strength Assorted Berry | CALCIUM CARBONATE | KROGER COMPANY | b7db77a7-0580-455b-a2ef-a68584f03981 | 2026-08-31 | Warnings | M001 |
| Ultra Strength Natural Antacid | CALCIUM CARBONATE | KROGER COMPANY | 2931d427-b2be-4db9-a58d-ff89c221ff51 | 2026-08-31 | Warnings | M001 |
| Ultra Strength Antacid | ANTACID TABLETS | THE KROGER CO., | f5d82d1b-2f75-4af4-8337-a5bd28c26fb7 | 2026-08-31 | Warnings | M001 |
| Kroger Extra Strength Assorted Fruit | CALCIUM CARBONATE | KROGER COMPANY | 486d7a5f-cbc8-4f86-b12e-c5325bd8c62d | 2026-08-31 | Warnings | M001 |
| GERI-LANTA MAXIMUM STRENGTH | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | Preferred Pharmaceuticals Inc. | 3b049027-30ac-4c78-a4f1-8191f7ed45bf | 2026-08-27 | Warnings | M001 |
| Extra Strength Gas Relief | SIMETHICONE | Shield Pharmaceuticals Corp | 534144be-fcaf-400d-b772-595c62ae6ea6 | 2026-08-27 | Warnings | M001 |
| Antacid | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, SIMETHICONE | Guardian Drug Company | 48ec50ab-f24b-367b-e063-6294a90ad736 | 2026-08-27 | Warnings | M001 |
| REGULAR STRENGTH ANTACID | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | KROGER COMPANY | b9e61a03-e008-50ab-e053-2a95a90a3210 | 2026-08-26 | Warnings | M001 |
| MAXIMUM STRENGTH ANTACID | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | CVS PHARMACY | af71e02d-e7c7-f925-e053-2995a90a0861 | 2026-08-26 | Warnings | M001 |
| Tumeez Organic Apple | CALCIUM CARBONATE | BFY LLC | f561685a-5260-59c6-e053-2a95a90ae206 | 2026-08-25 | Warnings | M001 |
| Dr. Sana Lemon Alivio Digestivo UPSET STOMACH | EFFERVESCENT ANTACID | EVI LABS | 59cdf417-e5c0-6bb2-e063-6294a90a9c51 | 2026-08-24 | Warnings | M001 |
| Dr Sana Alivio Digestivo Naranja UPSET STOMACH | EFFERVESCENT ANTACID | EVI LABS | 59d07c2d-ef11-bd32-e063-6394a90af87d | 2026-08-24 | Warnings | M001 |
| Genexa Antacid Maximum Strength | CALCIUM CARBONATE | Genexa Inc. | 3a39d91c-2dcd-71d6-e063-6394a90a5474 | 2026-08-22 | Warnings | M001 |
| Mag-AL Plus | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, AND SIMETHICONE | PAI Holdings, LLC dba PAI Pharma | 896ab07a-1b40-43ab-8589-3be86b1c4198 | 2026-08-19 | Warnings | M001 |
| CVS Health Extra Strength Antacid | ALUMINUM HYDROXIDE AND MAGNESIUM CARBONATE | CVS PHARMACY | 8629529e-4363-4d37-9ae0-27193868df32 | 2026-08-19 | Warnings | M001 |
| Mylanta Fall Harvest Collection Spiced Apple Cider | CALCIUM CARBONATE,MAGNESIUM HYDROXIDE AND SIMETHICONE | Infirst Healthcare Inc. | 5a6040ff-1779-3215-e063-6294a90aaab1 | 2026-08-15 | Warnings | M001 |
| Mylanta Fall Harvest Collection Pumpkin Spice | CALCIUM CARBONATE,MAGNESIUM HYDROXIDE AND SIMETHICONE | Infirst Healthcare Inc. | 5a60a221-5b37-806e-e063-6394a90a5ccc | 2026-08-15 | Warnings | M001 |
| CVS Naturals | CALCIUM CARBONATE | CVS PHARMACY | 899f057a-914d-49ca-a9fd-9fc48149782a | 2026-08-14 | 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 |