Leaflet: Information for the user
Zaditen0.25 mg/ml eye drops in solution in single-dose containers
Ketotifen
Read this leaflet carefully before starting to use this medicine, as it contains important information for you.
Contents of the leaflet:
Zaditen contains the active substance ketotifen, which is an antiallergic substance. Zaditen is used to treat the ocular symptoms of seasonal allergic conjunctivitis.
You should consult a doctor if it worsens or does not improve.
Do not use Zaditen
If you are allergic to ketotifen or any of the other components of this medicine (listed in section 6).
Warnings and precautions
Consult your doctor, pharmacist, or nurse before starting to use Zaditen.
Using Zaditen with other medicines
If you need to apply any other eye medicine in addition to Zaditen, wait at least 5 minutes between the application of each product.
Tell your doctor or pharmacist if you are using or have recently used or may need to use any other medicine. This is especially important in the case of medicines used to treat:
Using Zaditen with food, drinks, and alcohol
Zaditen may increase the effects of alcohol.
Pregnancy and breastfeeding
If you are pregnant, think you may be pregnant, or plan to become pregnant, consult your doctor or pharmacist before using this medicine.
Zaditen can be used during breastfeeding.
Driving and using machines
Zaditen may cause blurred vision or drowsiness. Do not drive or use machines until these effects have disappeared.
Follow exactly the administration instructions of this medicine indicated by your doctor or pharmacist. In case of doubt, consult your doctor or pharmacist again.
The recommended dose for adults, elderly, and children (3 years or older) is one drop in the affected eye(s) twice a day (morning and evening).
A single-dose container contains enough solution to treat both eyes in one application.
Instructions for use
Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 5
If you have any further questions about the use of this product, ask your doctor, pharmacist, or nurse.
If you use more Zaditen than you should
There is no danger if you accidentally take Zaditen orally, nor if more than one drop accidentally falls into your eye. In case of doubt, consult your doctor. Also, in case of overdose or accidental ingestion, you can contact the Toxicological Information Service: Tel.: 91 562 04 20.
If you forget to use Zaditen
If you forget to use Zaditen, apply the treatment as soon as you remember. Then, return to your regular treatment schedule. Do not take a double dose to make up for the forgotten doses.
Like all medicines, this medicine can cause side effects, although not everyone gets them.
The following side effects have been reported.
Common(affect less than 1 in 10patients)
-
Uncommon(affect less than1 in 100patients)
Reporting side effects
If you experience any side effects, consult your doctor or pharmacist, even if they are not listed in this leaflet. You can also report them directly through the Spanish Medicines Agency's website: www.notificaRAM.es. By reporting side effects, you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not store above 25°C.
After opening a blister pack/bag, unused single-dose containers can be stored for 3 months if stored in the outer carton packaging or, if not, for 4 weeks.
The single-dose container itself is not sterile, but its contents are sterile until the container is opened.
Once opened, the contents of the single-dose container should be used immediately and not stored.
Do not use this medicine after the expiration date stated on the packaging after CAD. The expiration date is the last day of the month indicated.
Medicines should not be disposed of via wastewater or household waste. Dispose of the packaging and any unused medicine in the pharmacy's SIGRE collection point. If in doubt, ask your pharmacist how to dispose of the packaging and any unused medicine. This will help protect the environment.
Zaditen composition
The active substance is ketotifen (as fumarate). Each ml contains 0.345 mg of ketotifen fumarate, which corresponds to 0.25 mg of ketotifen.
The other ingredients are glycerol (E422), sodium hydroxide (E524), and water for injectable preparations.
Appearance of the product and package contents
Zaditen is a clear, colorless to pale yellow solution. A single-dose container contains 0.4 ml. Zaditen is available in packs containing 5, 10, 20, 30, 50, and 60 single-dose containers.
Not all pack sizes may be marketed in your country.
Marketing authorization holder
Laboratoires THEA – 12, rue Louis Blériot – 63017 Clermont-Ferrand Cedex 2 – France
Manufacturer
EXCELVISION – 27 rue de la Lombardière – 07100 Annonay - France.
Or
Laboratoire UNITHER, 1 rue de l’Arquerie, 50200 COUTANCES, France
Local representative
Laboratorios THEA S.A. – C/ Enric Granados nº 86-88, 2ª planta, 08008 Barcelona
This medicine is authorized in the Member States of the European Economic Area under the following names:
Austria Zaditen konservierungsmittelfrei 0,025% - Augentropfen in Einzeldosisbehältnissen
Czech Republic Zaditen SDU
Denmark Zaditen
Finland Zaditen 0,25 mg/ml silmätipat, liuos kerta-annospakkauksessa
France Zagrapa, 0,25 mg/ml, collyre en solution en récipient unidose
Germany Zaditen ophtha sine 0,25 mg/ml Augentropfen Lösung in Einzeldosisbehältnissen
Greece Zaditor οφθαλμικές σταγόνες
Iceland Zaditen
Luxembourg Zaditen Unidose, 0,25 mg/ml, collyre en solution en récipient unidose
Norway Zaditen
Portugal Zaditen 0,25 mg/ml colírio, solução em unidoses
Spain Zaditen 0,25 mg/ml colirio en solución en envases unidosis
Sweden Zaditen 0,25 mg/ml, ögondroppar, lösning i endosbehållare
Netherlands Zaditen Unidose 0,25 mg/ml, oogdruppels, oplossing
Date of the last revision of this leaflet:03/07/2020
Detailed and updated information on this medicine is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS) http://www.aemps.es/
The average price of ZADITEN 0.25 mg/ml EYE DROPS IN SINGLE-DOSE CONTAINERS in October, 2025 is around 5.06 EUR. Prices may vary depending on the region, pharmacy, and whether a prescription is required. Always check with a local pharmacy or online source for the most accurate information.