Zaditor Ophthalmic Drops (Ketotifen)

(℞) Prescription Required

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Zaditen Eye Drops 0.025%

Product of United Kingdom
Manufactured by: Thea Pharmaceuticals
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Zaditen Eye Drops 0.025%
Product of United Kingdom
Manufactured by Thea Pharmaceuticals
Top Brand Choice
Top Generic Choice

Zaditor Eye Drops 0.025%

Product of Canada
Manufactured by: Thea Pharmaceuticals
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Zaditor Eye Drops 0.025%
Product of Canada
Manufactured by Thea Pharmaceuticals
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Zaditor Ophthalmic Drops (Ketotifen) Dosage and Side Effects

ZADITOR is an antihistamine that inhibits the body's release of a chemical called histamine. Histamine can produce allergy symptoms such as sneezing, runny nose, and watery eyes.  ZADITOR ophthalmic is used to treat itching of the eyes caused by allergy to dust, pollen, animals, or other allergens.

Warnings and Precautions

Do not use this medication if you are allergic to ZADITOR, or if you have an untreated eye infection. ZADITOR ophthalmic should not be used to treat eye irritation caused by wearing contact lenses.

Use this medication exactly as directed on the label, or as it has been prescribed by your doctor. Do not use the medication in larger amounts, or use it for longer than recommended.

If you wear contact lenses, remove them before applying ZADITOR ophthalmic. This medication may contain a preservative (benzalkonium chloride) that may cause discoloration of contact lenses. Wait at least 10 minutes after using in the eye drops before putting contact lenses into your eyes.

Do not allow the medicine dropper tip to touch any surface, including the eyes or hands. If the dropper becomes contaminated it could cause an infection in your eye, which can lead to vision loss or serious damage to the eye.

Do not use this medication if you are allergic to ZADITOR, or if you have an untreated eye infection. ZADITOR ophthalmic should not be used to treat eye irritation caused by wearing contact lenses.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

It is not known whether ZADITOR passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

Do not use this medication in a child younger than 3 years old without the advice of a doctor.

Side Effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using ZADITOR ophthalmic and call your doctor at once if you have any of these serious side effects:

  • redness, drainage, eyelid swelling, or other signs of infection;
  • eye pain;
  • vision changes; or
  • severe itching of the eyes worse than before using the medication.

Less serious side effects may include:

  • mild burning, stinging, or eye irritation;
  • dryness of the eyes; or
  • increased sensitivity to light.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.

Interactions with this medication

Avoid using other medications in your eyes during treatment with ZADITOR ophthalmic unless your doctor has told you to.

There may be other drugs that can interact with ZADITOR ophthalmic. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Proper Use of this medication

Use this medication exactly as directed on the label, or as it has been prescribed by your doctor. Do not use the medication in larger amounts, or use it for longer than recommended.

Wash your hands before using the eye drops.

If you wear contact lenses, remove them before applying ZADITOR ophthalmic. This medication may contain a preservative (benzalkonium chloride) that may cause discoloration of contact lenses.

To apply the eye drops:

  • Tilt your head back slightly and pull down your lower eyelid. Hold the dropper above the eye with the dropper tip down. Look up and away from the dropper as you squeeze out a drop, then close your eye. Gently press your finger to the inside corner of the eye (near your nose) for about 1 minute to keep the liquid from draining into your tear duct. If you use more than one drop in the same eye, wait about 5 minutes before putting in the next drop.

Do not allow the dropper tip to touch any surface, including the eyes or hands. If the dropper becomes contaminated it could cause an infection in your eye, which can lead to vision loss or serious damage to the eye.

After using the eyedrops, wait at least 10 minutes before putting contact lenses into your eyes.

Do not use the eye drops if the liquid has changed colors or has particles in it. Call your doctor for a new prescription.

Store the drops at room temperature away from heat and moisture. Keep the bottle tightly closed when not in use.

Seek emergency medical attention if you think you have used too much of this medicine.

An overdose of ZADITOR ophthalmic is not expected to produce life-threatening symptoms.

Use the medication as soon as you remember the missed dose. If it is almost time for your next dose, skip the missed dose and use the medicine at your next regularly scheduled time. Do not use extra medicine to make up the missed dose.

Other related products

The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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