The short version
10 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.
Ondansetron Hydrochloride · ONDANSETRON HYDROCHLORIDE 2 mg/mL · Solution · Intramuscular; Intravenous · Cardinal Health 107, LLC
NDC 55154-4453-05 · 5 VIAL in 1 BAG / 2 mL in 1 VIAL · ANDA · View full market →
10 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.
No Medicare Part D plan in CMS's quarterly files lists this product. That usually means it is discontinued, a repackager's listing, or a product no plan has added to its formulary.
How Part D pricing works →No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Not scored — fragility is computed for NADAC-priced NDCs.
sole-source market
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 →
There's no legal definition — it meets 1 of 6 public criteria. Why that matters →
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Atlantic Biologics Corp. | ONDANSETRON HYDROCHLORIDE 4 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Aurobindo Pharma Limited | ONDANSETRON HYDROCHLORIDE 4 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Baxter Healthcare Corporation | ONDANSETRON HYDROCHLORIDE 2 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Cardinal Health 107, LLC | ONDANSETRON HYDROCHLORIDE 2 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Chartwell Governmental & Specialty RX, LLC. | ONDANSETRON HYDROCHLORIDE 4 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Chartwell RX, LLC. | ONDANSETRON HYDROCHLORIDE 4 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Hikma Pharmaceuticals USA Inc. | ONDANSETRON HYDROCHLORIDE 4 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| NorthStar Rx LLC | ONDANSETRON HYDROCHLORIDE 4 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| NuCare Pharmaceuticals,Inc. | ONDANSETRON HYDROCHLORIDE 4 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Precision Dose Inc. | ONDANSETRON HYDROCHLORIDE 4 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Taro Pharmaceuticals U.S.A., Inc. | ONDANSETRON HYDROCHLORIDE 4 mg/5mL | Jul 15, 2026 | Jul 15, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Ondansetron Hydrochloride — NDC 55154-4453-05," retrieved September 3, 2026, https://drugdashboards.com/drug/55154445305.
Free to cite with attribution — see how the data is put together.