Independent register of U.S. FDA drug recalls · updated Oct 10, 2026
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Class II · Moderate risk Ongoing Initiated Dec 19, 2025 (10 months ago)

INON ACE Antacid tablets

Class II — Moderate risk. May cause temporary or reversible harm; serious harm unlikely.

Why it was recalled

Failed Disintegration Specifications: above the time expected.

Cause type: Failed specification

A physical or chemical test other than potency, dissolution, impurity or stability failed - pH, viscosity, appearance, tablet integrity, fill volume. A product outside its own specification may not perform as designed, even if the active ingredient is present. All failed specification recalls.

What was recalled

INON ACE Antacid tablets (magnesium aluminosilicate, magnesium hydroxide and simethicone), 75-count bottle, Manufactured by: Sato Pharmaceutical Co., Ltd., NDC 49873-402-01

Affected NDC 49873-0402-01

Compare with the code on your package — it is the most precise check available.

Drug: Magnesium

Product details

From the FDA NDC directory, for the product code this recall names. Compare with the label on your package.

ProductStrengthForm & routeLabelerType
Inon Ace
magnesium aluminosilicates, magnesium hydroxide, simethicone
NDC 49873-0402
MAGNESIUM HYDROXIDE 60 mg/1; SILODRATE 200 mg/1; DIMETHICONE 20 mg/1 Tablet
Oral
Sato Pharmaceutical Co., Ltd. OTC
Recalling firm
Sato Pharmaceutical Co., Ltd
NDC code
49873-402-01
Origin
N/A, Japan
Initiated by
Voluntary: Firm initiated
FDA recall number
D-0298-2026 · FDA notice

Check, then ask. Class II means harm is possible but usually temporary or reversible. Find the lot number on your package; if it matches, ask your pharmacist about a replacement. Do not simply stop a prescribed medication on your own - the gap can be riskier than the recall.

Other Magnesium recalls

See all
Class I · High risk

Magnesium Sulfate in Water for Injection

Product mix up: a foil pouch labeled "Magnesium Sulfate in Water for Injection, 4 g/100 mL" actually contained an IV bag of Tranexamic Acid instead.

Ongoing Labeling / mix-up Amneal Pharmaceuticals, LLC NDC 70121-1720-3 D-0478-2026

Other recalls by Sato Pharmaceutical Co., Ltd

All 2025 recalls