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ketotifen ophthalmic

Pronunciation: kee toe TYE fen off THAL mik

Brand: Alaway, Zaditor

What is the most important information I should know about ketotifen ophthalmic?

Multum donot

Do not use this medication if you are allergic to ketotifen, or if you have an untreated eye infection. Ketotifen 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 ketotifen 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.

Multum donot

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.

What is ketotifen ophthalmic?

Ketotifen 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.

Multum foreye

Ketotifen ophthalmic is used to treat itching of the eyes caused by allergy to dust, pollen, animals, or other allergens.

Ketotifen ophthalmic may also be used for other purposes not listed in this medication guide.

What should I discuss with my healthcare provider before using ketotifen ophthalmic?

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

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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.

Multum nobrfeed

It is not known whether ketotifen 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.

Multum nochild

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

How should I use ketotifen ophthalmic?

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 ketotifen 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.
Multum donot

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.

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

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

What happens if I miss a dose?

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.

What happens if I overdose?

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

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

What should I avoid while using ketotifen ophthalmic?

Multum donot

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

What are the possible side effects of ketotifen ophthalmic?

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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.

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Stop using ketotifen 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. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect ketotifen ophthalmic?

There may be other drugs that can interact with ketotifen 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.

Where can I get more information?

Your pharmacist can provide more information about ketotifen ophthalmic.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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