Magnesium Oxide
Active ingredient · 3 therapeutic classes
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- Drug class
- Magnesium Compounds
- Availability
- Over-the-counter
- Routes
- Oral
- Markets covered
- 3
- Products on record
- 8
- FDA reports (12 mo)
- 2,754
Overview
Magnesium Oxide is an active pharmaceutical ingredient in the Magnesium Compounds group (A02AA). The information below is compiled per regulator from the product labels on record, with direct links to the original documents.
Regulatory status by market
| Market | Regulator | Products | Last revision |
|---|---|---|---|
| US United States | FDA | 3 | November 14, 2025 |
| GB United Kingdom | MHRA | 3 | April 10, 2026 |
| CA Canada | Health Canada | 2 | January 12, 2026 |
USUnited States· FDA
3 products
Uses
Use relieves: ■ acid indigestion ■ upset stomach
How to take
GBUnited Kingdom· MHRA
3 products
Uses
For oral use for the relief of mild constipation
How to take
CACanada· Health Canada
2 products
Uses
AND CLINICAL USE ............................................................................. 3 CONTRAINDICATIONS .................................................................................................. 4 WARNINGS AND PRECAUTIONS .................................................................................
4 ADVERSE REACTIONS ................................................................................................... 7 DRUG INTERACTIONS ...................................................................................................
8 DOSAGE AND ADMINISTRATION ............................................................................... 8 OVERDOSAGE ...............................................................................................................
10 ACTION AND CLINICAL PHARMACOLOGY ........................................................... 10 STORAGE AND STABILITY ......................................................................................... 11 DOSAGE FORMS, COMPOSITION AND PACKAGING ............................................
Drug interactions
Known interactions involving Magnesium Oxide. Select one for details. This list is informational and not a complete interaction checker.
Interaction data compiled from DDInter (academic, CC-BY). Severity classification only - this is not a complete interaction checker and not medical advice.
Sources & citations
- [1]FDA DailyMed · 0af63651-f9d9-43… · revised October 21, 2025 [PDF]
- [2]MHRA (UK) · PL164310174 · revised August 15, 2025
- [3]Health Canada (DPD) · 02560429 · revised January 12, 2026
- [4]OpenFDA adverse-event reports (US), 12 months ending June 4, 2026.
Information on this page is compiled from public regulatory records. Drugvu is not affiliated with any regulator or pharmaceutical manufacturer. This is not medical advice. Always consult a qualified healthcare professional.