Magnesium Oxide

openFDA label record#

This page contains supplementary openFDA label data. For the canonical label presentation, use the corresponding DailyMed Structured Product Label.

Verified complete openFDA source JSON (canonical bytes are SHA-256 checked before publication)

Brand name: Magnesium Oxide
Generic name: MAGNESIUM OXIDE
Manufacturer: Richmond Pharmaceuticals, Inc.
Product type: HUMAN OTC DRUG
SPL set ID: 9119b7f0-3e8a-7be7-e053-2995a90a4634
SPL ID: 2a329845-3f50-540c-e063-6394a90af0a9
Version: 13
Effective date: 2024-12-26
Source export date: 2026-10-12
Source partition: 11
Source file: https://download.open.fda.gov/drug/label/drug-label-0011-of-0014.json.zip
Source object key: raw/openfda/drug-label/2026-10-12/a497e765d824a2e2aa9e88d5f0eea2aae9dcba363989e5f163395cda5c3c9dd8/drug-label-0011-of-0014.json.zip
Source manifest SHA-256: 7e6b178df8f32cac9a78e0f5d09c588344509b04fe41effb1dde9102e2a45be6
Import run: 20261013T011858Z
Imported at: 2026-10-13 02:41:28

Harmonized routes table
Harmonized routes
ORAL

Harmonized identifier links#

Every typed identifier imported from the complete openFDA harmonization object is paginated here; values are not reduced to a first match.

Harmonized identifiers page 1 of 1 · 11 matching rows.

Type, Scope, Identifier table
Type	Scope	Identifier	Source field
application number		M001	openfda.application_number
brand name		Magnesium Oxide	openfda.brand_name
generic name		MAGNESIUM OXIDE	openfda.generic_name
manufacturer name		Richmond Pharmaceuticals, Inc.	openfda.manufacturer_name
ndc	package	54738-973-12	openfda.package_ndc
ndc	product	54738-973	openfda.product_ndc
ndc11	package	54738097312	derived:openfda.package_ndc
rxcui		198741	openfda.rxcui
spl id		2a329845-3f50-540c-e063-6394a90af0a9	id
spl set id		9119b7f0-3e8a-7be7-e053-2995a90a4634	set_id
unii		3A3U0GI71G	openfda.unii

Warnings cross-check#

openFDA text is shown for search and cross-checking; DailyMed SPL is canonical.

Warnings sections page 1 of 1 · 1 matching rows.

warnings

WARNINGS Ask a doctor if you have: kidney disease Ask a doctor or pharmacist before use if you are: taking a prescription drug. Antacids may interact with certain prescription drugs. Do not take more than 2 tablets in a 24 hour period or use the maximum dosage of this product for more than two weeks, except under the advise and supervision of a physician. May have a laxative effect. If pregnant or breast-feeding, ask a health professional before use. Keep Out of Reach of Children.

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.