FDA.reportPublic FDA data

Magnesium Oxide

Product NDC
54738-974
Requested package NDC
54738-974-01
11-digit product format
547380974
Labeler code
54738
Product ID
54738-974_2a32ad7e-941a-0248-e063-6294a90af3ba
Type
HUMAN OTC DRUG
Nonproprietary name
Magnesium Oxide
Dosage form
TABLET
Route
ORAL
Labeler
Richmond Pharmaceuticals, Inc.
Application
M001
Marketing category
OTC MONOGRAPH DRUG
Marketing start
2016-02-01
Substance
MAGNESIUM OXIDE
Active strength
420 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 table
IngredientStrength
MAGNESIUM OXIDE420 mg/1

Harmonized UNII identifiers#

UNII identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
IdentifierFDA.report destination
3A3U0GI71GInternal UNII lookup

Harmonized RxCUI identifiers#

RxCUI identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
IdentifierFDA.report destination
311430Internal RxNorm lookup

Harmonized SPL set identifiers#

SPL set identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
IdentifierFDA.report destination
db5941b2-0a04-452a-8fbc-bd5e40fadfb1Available on FDA.report

DailyMed Product Concepts#

Product concept, Relation, Version table
Product conceptRelationVersionEffective
6e3c022f-0786-43f1-8857-edff89d5153fProduct name120260309
95250459-30e4-45c1-b08a-993044f49109Product name220250805
efd58652-cb8f-4018-91ca-4b0eb2ff729fProduct name720240226
362d7abb-94e6-4c60-9a58-266894157713Product name120231023
e2db08c6-133f-4f4f-afb4-e90a2418d6f6Product name120230320
6bd95106-a412-1dad-b9cc-4cb74bfb27ceProduct name220230315
9badc7be-250a-44ab-aa36-926af3f02679Product name120210527
2641ccb3-721d-4fbf-9f2f-ca2f18157a62Product name320210309
11ed6f83-cdd2-4637-8379-b1a1d3ae3cdeProduct name120181101
7cda52fc-125f-421c-8fea-bc1974370c49Product name220180703
86c45a79-b9f0-4476-a27c-6e10db098497Product name120180125
26acd337-b838-40ac-bcbc-05c3b81c8712Product name120170323
d5e51f11-ad28-caa4-4b49-4143974782adProduct name120150831
290f523a-f9db-9774-b5a9-e1f908ac1782Product name120150828
e7e58cd3-cacb-49df-8d34-1ee335614abbProduct name120150609
0ca1d589-929b-4b33-bc5b-1d84abdafa6aProduct name120150324
fc363c46-397b-4476-ac0f-70e43e8e4592Product name120150324
c6b65c52-69c7-df49-550a-a50c137f6218Product name120140508

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDCProductDescriptionFormQuantityStrengthSPL version
54738-974-01Magnesium Oxide100 in 1 BOTTLETABLET10012

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDCBilling unitProduct NDCDailyMed indexing SPLSPL versionEffective
54738-974-01EA - Each54738-97402b05cc0-4026-4708-961a-a3a446fefe8c12019-10-07

DailyMed Dashboard NDC Coverage#

NDC, Dashboard title, SPL version table
NDCDashboard titleSPL versionValidationDashboard ZIP
54738-974MAGNESIUM OXIDE TABLET [RICHMOND PHARMACEUTICALS, INC.]12Current NDC, Legacy NDC, 1 package rows20241228_db5941b2-0a04-452a-8fbc-bd5e40fadfb1.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.

Matched openFDA labels page 23 of 34 · 667 matching rows.

Brand, Generic, Manufacturer table
BrandGenericManufacturerSPL set IDEffective dateAvailable safety fieldsJoin
Childrens Tummy ReliefCALCIUM CARBONATEGenexa Inc.f4d39d3e-82d0-2673-e053-2995a90a7d2a2025-02-20WarningsExact identifier
application number: M001
Extra Strength Smooth Peppermint AntacidCALCIUM CARBONATEDiscount Drug Mart, Inc2df8fe2b-cc9a-f026-e063-6394a90aa0ad2025-02-20WarningsExact identifier
application number: M001
Extra Strength AntacidCALCIUM CARBONATEHarris Teeter, LLC2cb4ce4e-e18c-c96d-e063-6394a90a18ca2025-02-20WarningsExact identifier
application number: M001
Extra Strength Smooth AntacidCALCIUM CARBONATEHarris Teeter, LLC2cb60b7e-711a-8052-e063-6394a90acf1d2025-02-20WarningsExact identifier
application number: M001
Extra Strength AntacidCALCIUM CARBONATEDiscount Drug Mart, Inc2df9e47a-8741-6958-e063-6394a90a6c602025-02-20WarningsExact identifier
application number: M001
Regular Strength Antacid PeppermintCALCIUM CARBONATEDiscount Drug Mart, Inc2e09b8d1-25b4-0e57-e063-6394a90a31e22025-02-20WarningsExact identifier
application number: M001
Tums Chewy Bites Orange and Cream ESCALCIUM CARBONATEHaleon US Holdings LLC036ef1ed-32ef-46b8-8817-b3f63a0142802025-02-14WarningsExact identifier
application number: M001
Tums NaturalsCALCIUM CARBONATEHaleon US Holdings LLCd8da54b8-6456-4e7d-acd2-a55e2249bd012025-02-13WarningsExact identifier
application number: M001
Ultra Strength Antacid Assorted FruitCALCIUM CARBONATEHarris Teeter, LLC2cb4c58f-ee88-b60e-e063-6294a90a1e6c2025-02-12WarningsExact identifier
application number: M001
Maximum Strength Antacid CherryALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, SIMETHICONEHarris Teeter, LLC2c4fc835-a9ad-2666-e063-6394a90a20ac2025-02-12WarningsExact identifier
application number: M001
Maximum Strength AntacidALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, SIMETHICONEHarris Teeter, LLC2c5081a6-367f-28bc-e063-6294a90a459e2025-02-12WarningsExact identifier
application number: M001
Regular Strength Antacid PeppermintCALCIUM CARBONATEHarris Teeter, LLC2cb54a40-98ce-2660-e063-6294a90a3ed02025-02-11WarningsExact identifier
application number: M001
Extra Strength Antacid Tropical FruitCALCIUM CARBONATEHarris Teeter, LLC2c65f7f5-195c-ed33-e063-6294a90a30702025-02-11WarningsExact identifier
application number: M001
Regular Strength AntacidCALCIUM CARBONATEHarris Teeter, LLC2cb50083-b05f-8aca-e063-6394a90a6d6f2025-02-11WarningsExact identifier
application number: M001
Extra Strength AntacidCALCIUM CARBONATEHarris Teeter, LLC2c544c08-8cdb-edf2-e063-6394a90a024c2025-02-11WarningsExact identifier
application number: M001
Extra Strength Antacid Tropical FruitCALCIUM CARBONATEUNITED NATURAL FOODS, INC. DBA UNFI1b6a28a2-f848-d185-e063-6294a90ab3382025-02-07WarningsExact identifier
application number: M001
Genexa Antacid Maximum StrengthCALCIUM CARBONATEGenexa Inc.e4b8f068-ad52-10c8-e053-2a95a90a871f2025-02-07WarningsExact identifier
application number: M001
Regular Strength Peppermint AntacidCALCIUM CARBONATEDeMoulas Market Basket89bdb1c0-df39-4c37-bb0d-0bfd0bff85fb2025-02-07WarningsExact identifier
application number: M001
Ultra Strength AntacidCALCIUM CARBONATEUNITED NATURAL FOODS, INC. DBA UNFI1cbea7c2-fdc0-5a6b-e063-6294a90a9cfa2025-02-07WarningsExact identifier
application number: M001
Regular Strength AntacidCALCIUM CARBONATEDeMoulas Market Basketbe167e45-3db8-4739-91ac-e83d552236172025-02-07WarningsExact identifier
application number: M001

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUIRxNorm stringTTYDailyMedSPL version
311430magnesium oxide 420 MG Oral TabletPSNdb5941b2-0a04-452a-8fbc-bd5e40fadfb112
311430magnesium oxide 420 MG Oral TabletSCDdb5941b2-0a04-452a-8fbc-bd5e40fadfb112
311430magnesium oxide 420 MG (magnesium 253 MG) Oral TabletSYdb5941b2-0a04-452a-8fbc-bd5e40fadfb112

Packages#

Package NDC, 11-digit format, Description table
Package NDC11-digit formatDescriptionUnitsMarketing startMarketing endSampleExclude flagStatus
54738-974-0154738097401100 TABLET in 1 BOTTLE (54738-974-01) 100 tablet2016-02-010000-00-00NoNoCurrent