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 |
|---|---|---|---|---|---|---|
| Rolaids Ultra Strength Mint | CALCIUM CARBONATE AND MAGNESIUM HYDROXIDE | Chattem, Inc. | 8806c912-ab83-4f45-ac78-e826bb3143d4 | 2026-01-14 | Warnings | M001 |
| Rolaids Advanced Antacid Anti-gas Wild Berry | CALCIUM CARBONATE AND MAGNESIUM HYDROXIDE AND SIMETHICONE | Chattem, Inc. | 07649a83-0123-4bb5-b130-3067c7d052c5 | 2026-01-14 | Warnings | M001 |
| CVS Health Extra Strength Sugar Free Antacid | ANTACID | CVS Pharmacy,Inc. | f722e7ce-6cca-4850-a230-7510c7ca7754 | 2026-01-12 | Warnings | M001 |
| MGC Health Calcium Carbonate Antacid Assorted Fruits | CALCIUM CARBONATE | Medical Group Care LLC | 47e1a46c-5665-ac4c-e063-6294a90a9b81 | 2026-01-08 | Warnings | M001 |
| MGC Health Calcium Carbonate Antacid Assorted Fruits | CALCIUM CARBONATE | Medical Group Care LLC | 47e19b30-3784-ad98-e063-6294a90aa566 | 2026-01-08 | Warnings | M001 |
| MGC Health Calcium Carbonate Antacid Tropical Fruit | CALCIUM CARBONATE | Medical Group Care LLC | 47e1bc32-baf5-ad9a-e063-6294a90ad5b4 | 2026-01-08 | Warnings | M001 |
| MGC Health Calcium Carbonate Antacid Assorted Berries | CALCIUM CARBONATE | Medical Group Care LLC | 47e1c7c7-4f3b-c04b-e063-6394a90a775f | 2026-01-08 | Warnings | M001 |
| Sanar Baking Soda 8oz 100% pure | SODIUM BICARBONATE | Evi Labs | 47e7f801-3176-288c-e063-6394a90abef4 | 2026-01-08 | Warnings | M001 |
| Xpect Antacid | CALCIUM CARBONATE | Cintas Corporation | 3ef4eac7-cc9d-4ee2-b93a-59b85dbc6e7c | 2026-01-08 | Warnings | M001 |
| DR. SANA BICARBONATO DE SODIO 4 Fl oz and 6 Floz | SODIUM BICARBONATE | Evi Labs | 47330d09-7db1-254d-e063-6294a90ae7de | 2026-01-07 | Warnings | M001 |
| DE LA CRUZ SODIUM BICARBONATE ANTACID | SODIUM BICARBONATE | DLC Laboratories, Inc. | fc469943-9749-45ee-93f7-90fdbcdc7215 | 2026-01-07 | Warnings | M001 |
| De La Cruz Desempacho | SODIUM BICARBONATE | DLC LABORATORIES, INC. | 741e105a-3ed2-4fc7-ab06-273e515a2d16 | 2026-01-07 | Warnings | M001 |
| ANTACID AND ANTIGAS | CALCIUM CARBONATE, MAGNESIUM HYDROXIDE, SIMETHICONE | Geri-Care Pharmaceuticals, Corp | 472eafe8-aa7a-f435-e063-6294a90acf6b | 2025-12-30 | Warnings | M001 |
| ANTACID AND ANTIGAS | CALCIUM CARBONATE, MAGNESIUM HYDROXIDE, SIMETHICONE | Geri-Care Pharmaceuticals, Corp | 472f5bfc-c676-56da-e063-6294a90a74af | 2025-12-30 | Warnings | M001 |
| ANTACID AND ANTIGAS | CALCIUM CARBONATE, MAGNESIUM HYDROXIDE, SIMETHICONE | Geri-Care Pharmaceuticals, Corp | 472ffa66-938f-14e7-e063-6394a90ad0ca | 2025-12-30 | Warnings | M001 |
| QC Ultra Strength Antacid Soft Chews, Cherry | QC ANTACID SOFT CHEWS, CHERRY | Xiamen Kang Zhongyuan Biotechnology Co., Ltd. | 26a97517-d3e7-d896-e063-6394a90acc95 | 2025-12-29 | Warnings | M001 |
| Tums Chewy Bites | CALCIUM CARBONATE | Select Consumer Group | 3caa037e-3424-f9ce-e063-6294a90ac1e8 | 2025-12-27 | Warnings | M001 |
| Antacid | ANTACID | Xiamen Kang Zhongyuan Biotechnology Co., Ltd. | 17adb983-bb28-bf8b-e063-6394a90a7daa | 2025-12-26 | Warnings | M001 |
| Sodium Bicarbonate 10 gr | SODIUM BICARBONATE | GRAXCELL PHARMACEUTICAL, LLC | 897dbb09-fb47-4e03-8cae-bf76d48a7a03 | 2025-12-25 | Warnings | M001 |
| Gas Relief | SIMETHICONE | H-E-B | 3f9f6560-312f-44b7-e063-6394a90a1c56 | 2025-12-24 | 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 |