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Magnesium Oxide

NDC 81033-027 · Kesin Pharma

Generic nameMagnesium Oxide
Dosage formTABLET
RouteORAL
Active ingredient(s)MAGNESIUM OXIDE
Strength400 mg/1
Pharmacologic classCalculi 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]
Marketing categoryOTC MONOGRAPH DRUG

Packages

81033-027-01 — 10 BLISTER PACK in 1 CARTON (81033-027-01) / 100 TABLET in 1 BLISTER PACK (81033-027-41)

81033-027-12 — 120 TABLET in 1 BOTTLE (81033-027-12)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

37662-0968 — Magnesia Oxydata, 37662-0969 — Magnesia Oxydata, 37662-0970 — Magnesia Oxydata, 37662-0971 — Magnesia Oxydata, 37662-0972 — Magnesia Oxydata, 50090-7432 — Magnesium Oxide, 54738-973 — Magnesium Oxide, 54738-974 — Magnesium Oxide, 55566-6800 — SODIUM PICOSULFATE, MAGNESIUM OXIDE, and ANHYDROUS CITRIC ACID, 58657-120 — Magnesium Oxide, 63629-9420 — Magnesium Oxide, 69168-174 — Magnesium Oxide 400mg, 69367-298 — Magnesium Oxide, 71335-1960 — Magnesium Oxide, 71610-172 — Magnesium Oxide, 71610-182 — Magnesium Oxide, 72162-1648 — Magnesium Oxide, 84447-001 — Magnesium Oxide, 84540-230 — Phosphatidylserine, Magnesium Oxide, 84540-240 — Phosphatidylserine, Magnesium Oxide, +9 more

From the FDA National Drug Code Directory, retrieved August 24, 2026. Product listings are submitted by labelers; FDA does not verify them.

Read from: FDA National Drug Code Directory, product.txt and package.txt (accessdata.fda.gov/cder/ndctext.zip) — Snapshot retrieved 2026-08-24, loaded 2026-08-24; CMS Medicare Part B Drug Average Sales Price (ASP) Pricing Files (cms.gov/medicare/payment/part-b-drugs/asp-pricing-files) -- the NDC-HCPCS crosswalk and Part B payment limit files — 2026 Q3 (July 2026 release). All data sources · How to read the labels