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.
Carbamazepine · CARBAMAZEPINE 200 mg/1 · Tablet, Film Coated, Extended Release · Oral · Alembic Pharmaceuticals Limited
NDC 46708-0421-31 · 100 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE · ANDA · 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.
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 · 1 Class I/II recall(s) in 12 months
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 →
Establishments this product's FDA label declares, located via FDA registration data. How we built this →
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Alembic Pharmaceuticals Inc. | CARBAMAZEPINE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Alembic Pharmaceuticals Inc. | CARBAMAZEPINE 200 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Alembic Pharmaceuticals Inc. | CARBAMAZEPINE 400 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Alembic Pharmaceuticals Limited | CARBAMAZEPINE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Alembic Pharmaceuticals Limited | CARBAMAZEPINE 200 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Alembic Pharmaceuticals Limited | CARBAMAZEPINE 400 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Carbamazepine — NDC 46708-0421-31," retrieved September 3, 2026, https://drugdashboards.com/drug/46708042131.
Free to cite with attribution — see how the data is put together.