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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.
Ketotifen ophthalmic is used to treat itching of the eyes caused by allergy to dust, pollen, animals, or other allergens.
How to take
Use this medication exactly as directed on the label, or as it has been prescribed by your doctor.
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 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.
Do not use this medication if you are allergic to Ketotifen, or if you have an untreated eye infection. Ketotifen should not be used to treat eye irritation caused by wearing contact lenses.
Avoid using other medications in your eyes during treatment with Ketotifen unless your doctor has told you to.
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.
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.
Store at room temperature away from heat and moisture.
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