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.
Gas-X Total Relief Maximum Strength
Calcium carbonate, Simethicone · CALCIUM CARBONATE 750 mg/1; DIMETHICONE, UNSPECIFIED 250 mg/1 · Tablet, Chewable · Oral · Haleon US Holdings LLC
NDC 00067-0118-01 · 10 TABLET, CHEWABLE in 1 POUCH · 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, Simethicone (Tablet, Chewable)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Haleon US Holdings LLC | CALCIUM CARBONATE 750 mg/1; DIMETHICONE 250 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Haleon US Holdings LLC | CALCIUM CARBONATE 750 mg/1; DIMETHICONE, UNSPECIFIED 250 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Pharmacy Value Alliance, Llc | CALCIUM CARBONATE 1000 mg/1; DIMETHICONE, UNSPECIFIED 60 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Gas-X Total Relief Maximum Strength — NDC 00067-0118-01," retrieved September 3, 2026, https://drugdashboards.com/drug/00067011801.
Free to cite with attribution — see how the data is put together.