The short version
Just 2 companies supply this market — thin enough that a single exit would be felt immediately.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Walgreen Liquid Antacid
Calcium Carbonate, Magnesium hydroxide and Simethicone · CALCIUM CARBONATE 800 mg/10mL; MAGNESIUM HYDROXIDE 270 mg/10mL; DIMETHICONE, UNSPECIFIED 80 mg/10mL · Suspension · Oral · Walgreens Co.
NDC 00363-6701-12 · 355 mL in 1 BOTTLE, PLASTIC · 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.
Is this a "specialty" drug?
There's no legal definition — it meets 1 of 6 public criteria. Why that matters →
- Part D specialty tier
- Costs ≥ $950/fill
- Biologic (BLA)
- Injectable / infused
- Orphan-drug exclusivity
- REMS program · Xywav and Xyrem
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 Calcium Carbonate, Magnesium hydroxide and Simethicone (Suspension)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Dolgencorp, Llc | CALCIUM CARBONATE 800 mg/10mL; MAGNESIUM HYDROXIDE 270 mg/10mL; DIMETHICONE, UNSPECIFIED 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Walgreens Co. | CALCIUM CARBONATE 800 mg/10mL; MAGNESIUM HYDROXIDE 270 mg/10mL; DIMETHICONE, UNSPECIFIED 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Dolgencorp, Llc | CALCIUM CARBONATE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE, UNSPECIFIED 270 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Walgreens Co. | CALCIUM CARBONATE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE, UNSPECIFIED 270 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Dolgencorp, Llc | CALCIUM CARBONATE 800 mg/10mL; DIMETHICONE, UNSPECIFIED 80 mg/10mL; MAGNESIUM HYDROXIDE 270 mg/10mL | Jul 15, 2026 | Jul 15, 2026 |
| Walgreens Co. | CALCIUM CARBONATE 800 mg/10mL; DIMETHICONE, UNSPECIFIED 80 mg/10mL; MAGNESIUM HYDROXIDE 270 mg/10mL | Jul 15, 2026 | Jul 15, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Walgreen Liquid Antacid — NDC 00363-6701-12," retrieved September 3, 2026, https://drugdashboards.com/drug/00363670112.
Free to cite with attribution — see how the data is put together.