Magnesium Oxide
- Product NDC
- 81033-027
- 11-digit product format
- 810330027
- Labeler code
- 81033
- Product ID
- 81033-027_4225e628-15ad-6bf0-e063-6394a90a98d6
- Type
- HUMAN OTC DRUG
- Nonproprietary name
- Magnesium Oxide
- Dosage form
- TABLET
- Route
- ORAL
- Labeler
- Kesin Pharma
- Application
- M001
- Marketing category
- OTC MONOGRAPH DRUG
- Marketing start
- 2025-04-07
- Substance
- MAGNESIUM OXIDE
- Active strength
- 400 mg/1
- Pharmacologic classes
- Calculi Dissolution Agent [EPC], Increased Large Intestinal Motility [PE], Inhibition Large Intestine Fluid/Electrolyte Absorption [PE], Inhibition Small Intestine Fluid/Electrolyte Absorption [PE], Magnesium Ion Exchange Activity [MoA], Osmotic Activity [MoA], Osmotic Laxative [EPC], Stimulation Large Intestine Fluid/Electrolyte Secretion [PE]
- 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
- Magnesium Oxide
- Listing expiration
- 2026-12-31
Active Ingredients#
| Ingredient | Strength |
|---|---|
| MAGNESIUM OXIDE | 400 mg/1 |
Harmonized UNII identifiers#
| Identifier | FDA.report destination |
|---|---|
| 3A3U0GI71G | Internal UNII lookup |
Harmonized RxCUI identifiers#
| Identifier | FDA.report destination |
|---|---|
| 198741 | Internal RxNorm lookup |
Harmonized SPL set identifiers#
| Identifier | FDA.report destination |
|---|---|
| 31f417f0-1637-eefa-e063-6294a90a121b | Available on FDA.report |
DailyMed Product Concepts#
DailyMed Package Descriptions#
| Package NDC | Product | Description | Form | Quantity | Strength | SPL version |
|---|---|---|---|---|---|---|
| 81033-027-01 | Magnesium Oxide | 10 in 1 CARTON | TABLET | 10 | 2 | |
| 81033-027-12 | Magnesium Oxide | 120 in 1 BOTTLE | TABLET | 120 | 2 | |
| 81033-027-41 | Magnesium Oxide | 100 in 1 BLISTER PACK | TABLET | 100 | 2 |
DailyMed Billing Units#
| Package NDC | Billing unit | Product NDC | DailyMed indexing SPL | SPL version | Effective |
|---|---|---|---|---|---|
| 81033-027-01 | EA - Each | 81033-027 | 19739058-48c9-4d88-9671-511f131bff1b | 1 | 2026-05-22 |
| 81033-027-12 | EA - Each | 81033-027 | 782cadc8-b6c0-44a0-9b3f-1278a3d24d1d | 1 | 2025-10-14 |
| 81033-027-41 | EA - Each | 81033-027 | e07bdfca-b7b4-4057-a0c3-a192951d59cb | 1 | 2026-05-22 |
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 |
|---|---|---|---|---|---|---|
| Premier Value Milk of Magnesia | MAGNESIUM HYDROXIDE | Pharmacy Value Alliance, LLC | c3cdaa2b-db34-872d-e053-2995a90a3826 | 2023-12-20 | Warnings | M001 |
| Calcium Carbonate | CALCIUM CARBONATE | Humco Holding Group, Inc. | 8b207b49-d3fd-4108-b611-dca27c9dc78a | 2023-12-15 | Warnings | M001 |
| Humco Dewees Carminative | MAGNESIUM CARBONATE | Humco Holding Group, inc. | 163bceeb-ca74-413e-88b9-5c7bc9bbeb0d | 2023-12-15 | Warnings | M001 |
| Humco Milk of Magnesia | MAGNESIUM HYDROXIDE | Humco Holding Group, Inc. | b6c90fb4-2673-7e29-e053-2995a90ae9e1 | 2023-12-15 | Warnings | M001 |
| Medis Sodium Bicarbonate | SODIUM BICARBONATE | Humco Holding Group, Inc | 5da32469-58fc-14b1-e053-2a91aa0a74c4 | 2023-12-15 | Warnings | M001 |
| Mylanta One Antacid/Anti-Gas | CALCIUM CARBONATE, MAGNESIUM HYDROXIDE, DIMETHICONE | Infirst Healthcare Inc. | aa694e0d-7891-4870-8106-dd57f1e29fb4 | 2023-12-11 | Warnings | M001 |
| Mylanta One Antacid/Anti-Gas | CALCIUM CARBONATE, MAGNESIUM HYDROXIDE, DIMETHICONE | Infirst Healthcare Inc. | ed1b03f0-fabc-4c1c-8e6d-9f15c380300c | 2023-12-11 | Warnings | M001 |
| Sodium Bicarbonate Antacid | SODIUM BICARBONATE | Rugby Laboratories | e73b5871-4a87-4473-ab00-5e5395be017d | 2023-12-06 | Warnings | M001 |
| Inon Ace | MAGNESIUM ALUMINOSILICATE, MAGNESIUM HYDROXIDE | Sato Pharmaceutical Co., Ltd. | a6e4475c-dfac-493c-b98a-21473e3b59d5 | 2023-12-06 | Warnings | M001 |
| INON | ALUMINUM HYDROXIDE, MAGNESIUM CARBONATE, SODIUM BICARBONATE | Sato Pharmaceutical Co., Ltd. | e86d9c57-c877-49f1-a405-95a9a226ccf3 | 2023-12-04 | Warnings | M001 |
| Aluminum hydroxide and Magnesium carbonate | ALUMINUM HYDROXIDE, MAGNESIUM CARBONATE | Simpex Pharma Pvt. Ltd | e799a555-bfd0-4298-a5dc-aeb671815d40 | 2023-11-29 | Warnings | M001 |
| Inon Ace | MAGNESIUM ALUMINOSILICATES, MAGNESIUM HYDROXIDE, SIMETHICONE | Sato Pharmaceutical Co., Ltd. | 0af4355f-e160-409d-8471-2de98dbc6f7c | 2023-11-10 | Warnings | M001 |
| MAXIMUM STRENGTH ANTACID ANTIGAS | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | STRATEGIC SOURCING SERVICES LLC | fd00ead8-026c-6610-e053-6394a90a0f11 | 2023-11-08 | Warnings | M001 |
| REGULAR STRENGTH ANTACID AND ANTIGAS | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | STRATEGIC SOURCING SERVICES LLC | fd67566a-1078-019d-e053-6394a90a415c | 2023-11-08 | Warnings | M001 |
| MAXIMUM STRENGTH ANTACID AND ANTIGAS | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, SIMETHICONE | STRATEGIC SOURCING SERVICES LLC | fd7a0a90-6570-c722-e053-6394a90a03f4 | 2023-11-08 | Warnings | M001 |
| GERI-LANTA SUPREME CHERRY | CALCIUM CARBONATE, MAGNESIUM HYDROXIDE | Geri-Care Pharmaceuticals, Corp | 7fbc654b-a0d4-408c-bb5a-eb50b7b54382 | 2023-11-08 | Warnings | M001 |
| ANTACID ANTIGAS NTA | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, SIMETHICONE | AMERISOURCEBERGEN DRUG CORPORATION | 5d6916ec-e87f-6421-e053-2991aa0a3364 | 2023-11-07 | Warnings | M001 |
| REGULAR STRENGTH ANTACID | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | AMERISOURCEBERGEN DRUG CORPORATION | 5d68366d-fee9-2acf-e053-2991aa0a7e4b | 2023-11-07 | Warnings | M001 |
| ANTACID ANTIGAS NTA | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, SIMETHICONE | AMERISOURCEBERGEN DRUG CORPORATION | 5d7ed0c5-911c-299a-e053-2a91aa0aae56 | 2023-11-07 | Warnings | M001 |
| REGULAR STRENGTH ANTACID | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | AMERISOURCEBERGEN DRUG CORPORATION | 5e1eed65-0d4c-2d02-e053-2991aa0a95c1 | 2023-11-07 | Warnings | M001 |
DailyMed RxNorm Mappings#
| RxCUI | RxNorm string | TTY | DailyMed | SPL version |
|---|---|---|---|---|
| 198741 | magnesium oxide 400 MG Oral Tablet | PSN | 31f417f0-1637-eefa-e063-6294a90a121b | 2 |
| 198741 | magnesium oxide 400 MG Oral Tablet | SCD | 31f417f0-1637-eefa-e063-6294a90a121b | 2 |
| 198741 | magnesium oxide 400 MG (magnesium 241.3 MG) Oral Tablet | SY | 31f417f0-1637-eefa-e063-6294a90a121b | 2 |
Packages#
| Package NDC | 11-digit format | Description | Units | Marketing start | Sample | Exclude flag | Status |
|---|---|---|---|---|---|---|---|
| 81033-027-01 | 81033002701 | 10 BLISTER PACK in 1 CARTON (81033-027-01) / 100 TABLET in 1 BLISTER PACK (81033-027-41) | 10 blister pack | 2025-11-01 | No | No | Current |
| 81033-027-12 | 81033002712 | 120 TABLET in 1 BOTTLE (81033-027-12) | 120 tablet | 2025-04-07 | No | No | Current |
| 81033-027-41 | 81033002741 | 100 in 1 BLISTER PACK | Historical |