The short version
14 companies supply this market — deep enough that no single failure threatens the supply.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Antacid
aluminum hydroxide, magnesium hydroxide, simethicone · ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE, UNSPECIFIED 40 mg/10mL · Liquid · Oral · Preferred Pharmaceuticals Inc.
NDC 68788-8506-03 · 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
- part331
- 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 (Liquid)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Amerisourcebergen Drug Corporation | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 3, 2026 |
| Chain Drug Marketing Association Inc. | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 3, 2026 |
| Harris Teeter, LLC | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 3, 2026 |
| Retail Business Services, LLC. | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 3, 2026 |
| Topco Associates, LLC | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 3, 2026 |
| Belmora LLC | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Chain Drug Marketing Association Inc. | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Dolgencorp, Llc | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Goodsense | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| H E B | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Harris Teeter, LLC | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Kroger Company | ALUMINUM HYDROXIDE 400 mg/5mL; MAGNESIUM HYDROXIDE 400 mg/5mL; DIMETHICONE 40 mg/5mL | Aug 26, 2026 | Sep 2, 2026 |
| Preferred Pharmaceuticals Inc. | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE, UNSPECIFIED 40 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Retail Business Services, LLC. | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Rugby Laboratories | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Topco Associates, LLC | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| United Natural Foods, Inc. Dba Unfi | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Guardian Drug Company | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 28, 2026 | Aug 28, 2026 |
| Amerisourcebergen Drug Corporation | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 22, 2026 |
| Chain Drug Marketing Association Inc. | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 22, 2026 |
| Harris Teeter, LLC | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 22, 2026 |
| Topco Associates, LLC | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 22, 2026 |
| Retail Business Services, LLC. | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 20, 2026 |
| Belmora LLC | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Chain Drug Marketing Association Inc. | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Dolgencorp, Llc | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Goodsense | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| H E B | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Harris Teeter, LLC | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Kroger Company | ALUMINUM HYDROXIDE 400 mg/5mL; MAGNESIUM HYDROXIDE 40 mg/5mL; DIMETHICONE 400 mg/5mL | Jul 22, 2026 | Aug 19, 2026 |
| Preferred Pharmaceuticals Inc. | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE, UNSPECIFIED 400 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Retail Business Services, LLC. | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Rugby Laboratories | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Topco Associates, LLC | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| United Natural Foods, Inc. Dba Unfi | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Amerisourcebergen Drug Corporation | ALUMINUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL | Jul 15, 2026 | Jul 19, 2026 |
| Chain Drug Marketing Association Inc. | ALUMINUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL | Jul 15, 2026 | Jul 19, 2026 |
| Harris Teeter, LLC | ALUMINUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL | Jul 15, 2026 | Jul 19, 2026 |
| Retail Business Services, LLC. | ALUMINUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL | Jul 15, 2026 | Jul 19, 2026 |
| Topco Associates, LLC | ALUMINUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL | Jul 15, 2026 | Jul 19, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Antacid — NDC 68788-8506-03," retrieved September 3, 2026, https://drugdashboards.com/drug/68788850603.
Free to cite with attribution — see how the data is put together.