くすりのしおり

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Revised: 4/2019

The information on this sheet is based on approvals granted by the Japanese regulatory authority. Approval details may vary by country. Medicines have adverse reactions (risks) as well as efficacies (benefits). It is important to minimize adverse reactions and maximize efficacy. To obtain a better therapeutic response, patients should understand their medication and cooperate with the treatment.
Brand name :
Zaditen Ophthalmic Solution 0.05%
 Active ingredient:
Ketotifen fumarate
 Dosage form:
colorless to slightly yellow ophthalmic solution(plastic bottle) 5mL(cap) green
 Print on wrapping:

Effects of this medicine

This medicine improves symptoms like eye itching and hyperemia by inhibiting production or release of allergic substances (histamine, etc.).
It is usually used to treat allergic conjunctivitis.

Before using this medicine, be sure to tell your doctor and pharmacist

  • If you have previously experienced any allergic reactions (itch, rash, etc.) to any medicines.
    If you wear contact lenses.
  • If you are pregnant or breastfeeding.
  • If you are taking any other medicinal products. (Some medicines may interact to enhance or diminish medicinal effects. Beware of over-the-counter medicines and dietary supplements as well as other prescription medicines.)

Dosing schedule (How to take this medicine)

  • Your dosing schedule prescribed by your doctor is ((        to be written by a healthcare professional))
  • General dosage regimen: Apply 1 to 2 drops at a time, 4 times a day (in the morning, afternoon, evening, and before going to bed).
  • Before applying eye-drops, wash your hands thoroughly with soap and running water.Open the cap of the bottle and pull down your lower eye-lid, avoid touching the dropper tip against the eyelid or eyelashes.
  • After applying, wipe off any excess liquid with a clean gauze or tissue.
  • If you need to use other eye drops at the same time, take more than 5 minutes intervals between medicines.
  • If you are wearing contact lenses, take off the lenses and then administer. Wait more than 15 minutes to wear contact lenses again.
  • If you aware your missed dose, apply as soon as possible. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. You should never use two doses at one time.
  • If you accidentally used more than your prescribed dose, consult with your doctor or pharmacist.
  • Do not stop using this medicine unless your doctor instructs you to do so.

Precautions while taking this medicine

Possible adverse reactions to this medicine

The most commonly reported adverse reactions include smarting eyes, eye irritation, blepharitis and sleepiness. If any of these symptoms occur, consult with your doctor or pharmacist.
The symptoms described below are rarely seen as initial symptoms of the adverse reactions indicated in brackets. If any of these symptoms occur, stop taking this medicine and see your doctor immediately.
No pertinent entries.
The above symptoms do not describe all the adverse reactions to this medicine. Consult with your doctor or pharmacist if you notice any symptoms of concern other than those listed above.

Storage conditions and other information

  • Keep out of the reach of children. Store away from direct sunlight and heat. Store at room temperature (1 to 30 degrees Celsius) in a storage bag.
  • Discard the remainder. Do not store them.

For healthcare professional use only : Day Month Year

For further information, talk to your doctor or pharmacist.