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.
Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine, Adsorbed · CLOSTRIDIUM TETANI TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 5 [iU]/.5mL; CORYNEBACTERIUM DIPHTHERIAE TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 [iU]/.5mL; BORDETELLA PERTUSSIS TOXOID ANTIGEN (FORMALDEHYDE, GLUTARALDEHYDE INACTIVATED) 8 ug/.5mL; BORDETELLA PERTUSSIS FILAMENTOUS HEMAGGLUTININ ANTIGEN (FORMALDEHYDE INACTIVATED) 8 ug/.5mL; BORDETELLA PERTUSSIS PERTACTIN ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 ug/.5mL · Suspension · Intramuscular · A-S Medication Solutions
NDC 50090-1377-00 · 10 SYRINGE in 1 CARTON / .5 mL in 1 SYRINGE · BLA · View full market →
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.
Matched to CMS's representative package for this drug (NDC 58160-0842-52) — same generic, strength, and dosage form. CMS prices one NDC per drug concept, not every package.
Negotiated 30-day point-of-sale unit prices and formulary terms aggregated across every unsuppressed Part D and MA-PD plan for the quarter shown. Point of sale means gross of confidential rebates. CMS publishes one representative NDC per drug concept (RxCUI) rather than every package, so these figures come from CMS's representative package for the same drug — matched on generic name, strength, and dosage form. Estimated from MedPAC's program-wide rebate aggregates (June 2023: DIR = 29% of gross Part D spending; brand rebates ≈ 25–40% of gross, generics minimal). Actual rebates are confidential and vary widely by drug — this is a range, not a fact about this drug.
Pipeline and calculations built by Claude (Fable 5) from the public datasets above. Educational only — verify against primary sources before acting.
*No drug-level rebate is public — the estimate applies MedPAC's program-wide brand rebate range to this drug's gross price. Tracked here for 10 quarters since 2024.
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.
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 |
|---|---|---|---|
| A-S Medication Solutions | CLOSTRIDIUM TETANI TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 5 [iU]/.5mL; CORYNEBACTERIUM DIPHTHERIAE TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 [iU]/.5mL; BORDETELLA PERTUSSIS TOXOID ANTIGEN (FORMALDEHYDE, GLUTARALDEHYDE INACTIVATED) 8 ug/.5mL; BORDETELLA PERTUSSIS FILAMENTOUS HEMAGGLUTININ ANTIGEN (FORMALDEHYDE INACTIVATED) 8 ug/.5mL; BORDETELLA PERTUSSIS PERTACTIN ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 ug/.5mL | Aug 26, 2026 | Sep 2, 2026 |
| GlaxoSmithKline Biologicals SA | CLOSTRIDIUM TETANI TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 5 [iU]/.5mL; CORYNEBACTERIUM DIPHTHERIAE TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 [iU]/.5mL; BORDETELLA PERTUSSIS TOXOID ANTIGEN (FORMALDEHYDE, GLUTARALDEHYDE INACTIVATED) 8 ug/.5mL; BORDETELLA PERTUSSIS FILAMENTOUS HEMAGGLUTININ ANTIGEN (FORMALDEHYDE INACTIVATED) 8 ug/.5mL; BORDETELLA PERTUSSIS PERTACTIN ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 ug/.5mL | Aug 26, 2026 | Sep 2, 2026 |
| GlaxoSmithKline Biologicals SA | CLOSTRIDIUM TETANI TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 8 ug/.5mL; CORYNEBACTERIUM DIPHTHERIAE TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 ug/.5mL; BORDETELLA PERTUSSIS TOXOID ANTIGEN (FORMALDEHYDE, GLUTARALDEHYDE INACTIVATED) 8 ug/.5mL; BORDETELLA PERTUSSIS FILAMENTOUS HEMAGGLUTININ ANTIGEN (FORMALDEHYDE INACTIVATED) 5 [iU]/.5mL; BORDETELLA PERTUSSIS PERTACTIN ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 [iU]/.5mL | Jul 22, 2026 | Aug 20, 2026 |
| A-S Medication Solutions | CLOSTRIDIUM TETANI TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 8 ug/.5mL; CORYNEBACTERIUM DIPHTHERIAE TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 ug/.5mL; BORDETELLA PERTUSSIS TOXOID ANTIGEN (FORMALDEHYDE, GLUTARALDEHYDE INACTIVATED) 8 ug/.5mL; BORDETELLA PERTUSSIS FILAMENTOUS HEMAGGLUTININ ANTIGEN (FORMALDEHYDE INACTIVATED) 5 [iU]/.5mL; BORDETELLA PERTUSSIS PERTACTIN ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 [iU]/.5mL | Jul 22, 2026 | Aug 19, 2026 |
| A-S Medication Solutions | BORDETELLA PERTUSSIS FILAMENTOUS HEMAGGLUTININ ANTIGEN (FORMALDEHYDE INACTIVATED) 8 ug/.5mL; BORDETELLA PERTUSSIS PERTACTIN ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 ug/.5mL; BORDETELLA PERTUSSIS TOXOID ANTIGEN (FORMALDEHYDE, GLUTARALDEHYDE INACTIVATED) 8 ug/.5mL; CLOSTRIDIUM TETANI TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 5 [iU]/.5mL; CORYNEBACTERIUM DIPHTHERIAE TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 [iU]/.5mL | Jul 15, 2026 | Jul 15, 2026 |
| GlaxoSmithKline Biologicals SA | BORDETELLA PERTUSSIS FILAMENTOUS HEMAGGLUTININ ANTIGEN (FORMALDEHYDE INACTIVATED) 8 ug/.5mL; BORDETELLA PERTUSSIS PERTACTIN ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 ug/.5mL; BORDETELLA PERTUSSIS TOXOID ANTIGEN (FORMALDEHYDE, GLUTARALDEHYDE INACTIVATED) 8 ug/.5mL; CLOSTRIDIUM TETANI TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 5 [iU]/.5mL; CORYNEBACTERIUM DIPHTHERIAE TOXOID ANTIGEN (FORMALDEHYDE INACTIVATED) 2.5 [iU]/.5mL | Jul 15, 2026 | Jul 15, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Boostrix — NDC 50090-1377-00," retrieved September 3, 2026, https://drugdashboards.com/drug/50090137700.
Free to cite with attribution — see how the data is put together.