The short version
8 companies supply this market — a reasonable cushion if one runs into trouble.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Lamotrigine · LAMOTRIGINE 300 mg/1 · Tablet, Extended Release · Oral · Dr.Reddy's Laboratories Limited
NDC 55111-0428-05 · 500 TABLET, EXTENDED RELEASE in 1 BOTTLE · ANDA · View full market →
8 companies supply this market — a reasonable cushion if one runs into trouble.
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.
OAI inspection at a producing facility (24 months) · 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 →
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. | LAMOTRIGINE 250 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Alembic Pharmaceuticals Inc. | LAMOTRIGINE 300 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Alembic Pharmaceuticals Inc. | LAMOTRIGINE 200 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Alembic Pharmaceuticals Limited | LAMOTRIGINE 300 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Alembic Pharmaceuticals Limited | LAMOTRIGINE 250 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Alembic Pharmaceuticals Limited | LAMOTRIGINE 200 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Dr.Reddy's Laboratories Limited | LAMOTRIGINE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Dr.Reddy's Laboratories Limited | LAMOTRIGINE 200 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Dr.Reddy's Laboratories Limited | LAMOTRIGINE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Dr.Reddy's Laboratories Limited | LAMOTRIGINE 250 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Dr.Reddy's Laboratories Limited | LAMOTRIGINE 300 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Dr.Reddy's Laboratories Limited | LAMOTRIGINE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| NorthStar Rx LLC | LAMOTRIGINE 200 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| NorthStar Rx LLC | LAMOTRIGINE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| NorthStar Rx LLC | LAMOTRIGINE 300 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| NorthStar Rx LLC | LAMOTRIGINE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| NorthStar Rx LLC | LAMOTRIGINE 250 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| NorthStar Rx LLC | LAMOTRIGINE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Proficient Rx LP | LAMOTRIGINE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Torrent Pharmaceuticals Limited | LAMOTRIGINE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Torrent Pharmaceuticals Limited | LAMOTRIGINE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Torrent Pharmaceuticals Limited | LAMOTRIGINE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Zydus Pharmaceuticals USA Inc. | LAMOTRIGINE 200 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Zydus Pharmaceuticals USA Inc. | LAMOTRIGINE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Zydus Pharmaceuticals USA Inc. | LAMOTRIGINE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Zydus Pharmaceuticals USA Inc. | LAMOTRIGINE 300 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Zydus Pharmaceuticals USA Inc. | LAMOTRIGINE 250 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Zydus Pharmaceuticals USA Inc. | LAMOTRIGINE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Remedyrepack Inc. | LAMOTRIGINE 50 mg/1 | Jul 15, 2026 | Aug 31, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Lamotrigine — NDC 55111-0428-05," retrieved September 3, 2026, https://drugdashboards.com/drug/55111042805.
Free to cite with attribution — see how the data is put together.