The short version
7 companies supply this market — a reasonable cushion if one runs into trouble.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Maximum Strength Antacid Antigas
aluminum hydroxide, magnesium hydroxide, simethicone · ALUMINUM HYDROXIDE 400 mg/5mL; MAGNESIUM HYDROXIDE 400 mg/5mL; DIMETHICONE 40 mg/5mL · Suspension · Oral · Walgreen Company
NDC 00363-1691-12 · 355 mL in 1 BOTTLE · OTC MONOGRAPH DRUG · View full market →
Medicare Part D
Medicare Part D does not cover over-the-counter drugs — by law it pays only for products requiring a prescription.
How Part D pricing works →NADAC price per unit
No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Supply fragility
Not scored — fragility is computed for NADAC-priced NDCs.
90-day shortage risk (model v2)
0.1%chance of a new FDA shortage posting for aluminum hydroxide, magnesium hydroxide, simethicone (other) in the next 90 days
sole-source market · price up 2% YoY
For scale: the typical drug’s chance is about 0.1% — this one is in ordinary territory.
Backtested statistical model over the whole market, not this package alone. Model details →
Regulatory
- Application
- M001
- TE code
- —
- Approval date
- —
- Patents / exclusivity
- None on file
Shortage history
No FDA shortage reports for this drug or its presentations.
Recalls (this NDC)
No enforcement reports list this package NDC.
Manufacturers of aluminum hydroxide, magnesium hydroxide, simethicone (Suspension)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Belmora LLC | ALUMINUM HYDROXIDE 200 mg/5mL; MAGNESIUM HYDROXIDE 200 mg/5mL; DIMETHICONE, UNSPECIFIED 20 mg/5mL | Aug 26, 2026 | Sep 2, 2026 |
| Cardinal Health | ALUMINUM HYDROXIDE 400 mg/5mL; MAGNESIUM HYDROXIDE 400 mg/5mL; DIMETHICONE 40 mg/5mL | Aug 26, 2026 | Sep 2, 2026 |
| Cvs | ALUMINUM HYDROXIDE 400 mg/5mL; MAGNESIUM HYDROXIDE 400 mg/5mL; DIMETHICONE 40 mg/5mL | Aug 26, 2026 | Sep 2, 2026 |
| Meijer, Inc. | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Strategic Sourcing Services Llc | ALUMINUM HYDROXIDE 400 mg/5mL; MAGNESIUM HYDROXIDE 400 mg/5mL; DIMETHICONE 40 mg/5mL | Aug 26, 2026 | Sep 2, 2026 |
| Wal-Mart Stores, Inc. | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Walgreen Company | ALUMINUM HYDROXIDE 200 mg/5mL; MAGNESIUM HYDROXIDE 200 mg/5mL; DIMETHICONE 20 mg/5mL | Aug 26, 2026 | Sep 2, 2026 |
| Walgreen Company | ALUMINUM HYDROXIDE 400 mg/5mL; MAGNESIUM HYDROXIDE 400 mg/5mL; DIMETHICONE 40 mg/5mL | Aug 26, 2026 | Sep 2, 2026 |
| Walgreen Company | ALUMINUM HYDROXIDE 200 mg/5mL; MAGNESIUM HYDROXIDE 200 mg/5mL; DIMETHICONE, UNSPECIFIED 20 mg/5mL | Aug 26, 2026 | Sep 2, 2026 |
| Belmora LLC | ALUMINUM HYDROXIDE 200 mg/5mL; MAGNESIUM HYDROXIDE 20 mg/5mL; DIMETHICONE, UNSPECIFIED 200 mg/5mL | Jul 22, 2026 | Aug 19, 2026 |
| Cardinal Health | ALUMINUM HYDROXIDE 400 mg/5mL; MAGNESIUM HYDROXIDE 40 mg/5mL; DIMETHICONE 400 mg/5mL | Jul 22, 2026 | Aug 19, 2026 |
| Cvs | ALUMINUM HYDROXIDE 400 mg/5mL; MAGNESIUM HYDROXIDE 40 mg/5mL; DIMETHICONE 400 mg/5mL | Jul 22, 2026 | Aug 19, 2026 |
| Meijer, Inc. | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Strategic Sourcing Services Llc | ALUMINUM HYDROXIDE 400 mg/5mL; MAGNESIUM HYDROXIDE 40 mg/5mL; DIMETHICONE 400 mg/5mL | Jul 22, 2026 | Aug 19, 2026 |
| Wal-Mart Stores, Inc. | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Walgreen Company | ALUMINUM HYDROXIDE 200 mg/5mL; MAGNESIUM HYDROXIDE 20 mg/5mL; DIMETHICONE, UNSPECIFIED 200 mg/5mL | Jul 22, 2026 | Aug 19, 2026 |
| Walgreen Company | ALUMINUM HYDROXIDE 400 mg/5mL; MAGNESIUM HYDROXIDE 40 mg/5mL; DIMETHICONE 400 mg/5mL | Jul 22, 2026 | Aug 19, 2026 |
| Walgreen Company | ALUMINUM HYDROXIDE 200 mg/5mL; MAGNESIUM HYDROXIDE 20 mg/5mL; DIMETHICONE 200 mg/5mL | Jul 22, 2026 | Aug 19, 2026 |
| Belmora LLC | ALUMINUM HYDROXIDE 200 mg/5mL; DIMETHICONE, UNSPECIFIED 20 mg/5mL; MAGNESIUM HYDROXIDE 200 mg/5mL | Jul 15, 2026 | Jul 15, 2026 |
| Cardinal Health | ALUMINUM HYDROXIDE 400 mg/5mL; DIMETHICONE 40 mg/5mL; MAGNESIUM HYDROXIDE 400 mg/5mL | Jul 15, 2026 | Jul 15, 2026 |
| Cvs | ALUMINUM HYDROXIDE 400 mg/5mL; DIMETHICONE 40 mg/5mL; MAGNESIUM HYDROXIDE 400 mg/5mL | Jul 15, 2026 | Jul 15, 2026 |
| Meijer, Inc. | ALUMINUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL | Jul 15, 2026 | Jul 15, 2026 |
| Strategic Sourcing Services Llc | ALUMINUM HYDROXIDE 400 mg/5mL; DIMETHICONE 40 mg/5mL; MAGNESIUM HYDROXIDE 400 mg/5mL | Jul 15, 2026 | Jul 15, 2026 |
| Wal-Mart Stores, Inc. | ALUMINUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL | Jul 15, 2026 | Jul 15, 2026 |
| Walgreen Company | ALUMINUM HYDROXIDE 200 mg/5mL; DIMETHICONE 20 mg/5mL; MAGNESIUM HYDROXIDE 200 mg/5mL | Jul 15, 2026 | Jul 15, 2026 |
| Walgreen Company | ALUMINUM HYDROXIDE 400 mg/5mL; DIMETHICONE 40 mg/5mL; MAGNESIUM HYDROXIDE 400 mg/5mL | Jul 15, 2026 | Jul 15, 2026 |
| Walgreen Company | ALUMINUM HYDROXIDE 200 mg/5mL; DIMETHICONE, UNSPECIFIED 20 mg/5mL; MAGNESIUM HYDROXIDE 200 mg/5mL | Jul 15, 2026 | Jul 15, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Maximum Strength Antacid Antigas — NDC 00363-1691-12," retrieved September 3, 2026, https://drugdashboards.com/drug/00363169112.
Free to cite with attribution — see how the data is put together.