The short version
4 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.
alcaftadine · ALCAFTADINE 2.5 mg/mL · Solution/ Drops · Ophthalmic · Allergan, Inc.
NDC 00023-4291-01 · 1 BOTTLE, PLASTIC in 1 CARTON / 1 mL in 1 BOTTLE, PLASTIC · NDA · View full market →
4 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.
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 →
| Type | Number / code | Expires |
|---|---|---|
| patent | 8664215 | Dec 23, 2027 |
| patent | 10617695 | Mar 19, 2027 |
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Allergan, Inc. | ALCAFTADINE 2.5 mg/mL | Jul 15, 2026 | Sep 3, 2026 |
| Alembic Pharmaceuticals Inc. | ALCAFTADINE 2.5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Aurohealth LLC | ALCAFTADINE 2.5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Gland Pharma Limited | ALCAFTADINE 2.5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Lastacaft — NDC 00023-4291-01," retrieved September 3, 2026, https://drugdashboards.com/drug/00023429101.
Free to cite with attribution — see how the data is put together.