The short version
13 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.
Ketotifen Fumarate · KETOTIFEN FUMARATE .25 mg/mL · Solution/ Drops · Ophthalmic · A-S Medication Solutions
NDC 50090-6472-00 · 1 BOTTLE, DROPPER in 1 CARTON / 5 mL in 1 BOTTLE, DROPPER · NDA AUTHORIZED GENERIC · View full market →
13 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 →
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 | KETOTIFEN FUMARATE .25 mg/mL | Jul 15, 2026 | Sep 3, 2026 |
| Armas Pharmaceuticals Inc. | KETOTIFEN FUMARATE .25 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Bausch & Lomb Incorporated | KETOTIFEN FUMARATE .25 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Cardinal Health 110, Llc. Dba Leader | KETOTIFEN FUMARATE .35 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| CVS Pharmacy | KETOTIFEN FUMARATE .25 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Kroger Company | KETOTIFEN FUMARATE .25 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Perrigo Direct Inc. | KETOTIFEN FUMARATE .25 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Preferred Pharmaceuticals Inc. | KETOTIFEN FUMARATE .25 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Proficient Rx LP | KETOTIFEN FUMARATE .35 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Rite Aid Corporation | KETOTIFEN FUMARATE .25 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Rugby Laboratories | KETOTIFEN FUMARATE .25 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Sentiss Pharmaceuticals LLC | KETOTIFEN FUMARATE .25 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Topco Associates Llc | KETOTIFEN FUMARATE .25 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Ketotifen Fumarate — NDC 50090-6472-00," retrieved September 3, 2026, https://drugdashboards.com/drug/50090647200.
Free to cite with attribution — see how the data is put together.