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Ketotifen fumarate currently has availability issues reported in 2 European registers: Greece, Ireland.
Shortage ATC S01GX08 · also listed as: KETOTIFEN · KETOTIFEN FUMARATE · data refreshed 28 October 2026
As of 28 October 2026, 2 of the 10 tracked registers list current availability issues for Ketotifen fumarate, covering 2 affected product presentations. The longest-running open report was filed in Ireland on 2025-07-03 and has now been open for about 15 months. Where agencies state a cause, production problems (Greek register) lead with 1 of the 2 stated-cause reports, followed by quality issues with 1. The furthest expected-resolution date currently on file is 2027-05-31; the earliest is 2027-01-30. Registers in Greece, Ireland indicate that alternatives or equivalents are available — a pharmacist or doctor can advise on switching. In the WHO ATC classification, Ketotifen fumarate is coded S01GX08 — a medicine acting on sensory organs — so clinically related products appear under “Related medicines” below.
| Where | Status & products | Since | Expected end | Reason / alternatives | Source |
|---|---|---|---|---|---|
| 🇬🇷 Greece | Limited availability ZADITOR EY.DRO.SOL 0,25MG/1ML FLX5 ML | 2025-10-01 | 2027-01-30 | διαδικασία περιεκτικότητας Προβλήματα στην παραγωγική Alternatives: Εναλλακτικά άλλα σκευάσματα της ίδιας δραστικής, μορφής και | register ↗ |
| 🇮🇪 Ireland | Shortage Zaditen 0.25 mg / ml, eye drops, solution | 2025-07-03 | 2027-05-31 | Quality issue (Global) Alternatives: Exact alternative medicine authorised | register ↗ |
Every individual register entry for Ketotifen fumarate in the tracked sources, newest first — including resolved and discontinued reports.
| Reg. | Product | Status | Reported | Expected end | Stated reason |
|---|---|---|---|---|---|
| 🇬🇷 GR | ZADITOR EY.DRO.SOL 0,25MG/1ML FLX5 ML | Limited availability | 2025-10-01 | 2027-01-30 | διαδικασία περιεκτικότητας Προβλήματα στην παραγωγική |
| 🇮🇪 IE | Zaditen 0.25 mg / ml, eye drops, solution | Shortage | 2025-07-03 | 2027-05-31 | Quality issue (Global) |
Yes. As of 28 October 2026, availability issues are reported in: Greece, Ireland. Availability is national — a shortage in one country does not mean it is short everywhere.
Agency prognoses on file range from 2027-01-30 to 2027-05-31. These are manufacturer-reported estimates and frequently move; check the linked register entry for the latest date.
2 of the active register entries indicate alternatives or equivalents (same active substance or an alternative treatment). Do not switch on your own — a pharmacist or prescriber can confirm the right substitute in your country.
Directly from the official medicines-agency registers that list Ketotifen fumarate: EOF limited-availability list (Greece), HPRA (Ireland). Every row on this page links to the underlying official record, and the dataset is refreshed from the primary sources every morning. Cross-language matching groups the same active substance across registers, so national spellings all resolve to this page.
Pharmacies, patient sites and newsrooms are welcome to embed the live status of Ketotifen fumarate — free, with attribution. Copy this snippet:
<iframe src="https://www.mobidoctor.eu/medicine-shortages/medicine-shortages/ketotifen-fumarate/embed.html" width="100%" height="150" loading="lazy" style="border:1px solid #e1e0d9;border-radius:12px" title="Ketotifen fumarate availability in Europe"></iframe> <p style="font-size:12px">Source: <a href="https://www.mobidoctor.eu/medicine-shortages/medicine-shortages/ketotifen-fumarate/">Ketotifen fumarate shortage status — European Medicine Shortage Tracker</a> by MobiDoctor</p>