Ketotifen helps relieve eye itching associated with allergic conjunctivitis (redness and inflammation of the membranes covering the white part of the eyes caused by allergens).
Instil Ketotifen eye drop solution in the affected eye(s) exactly as directed by your doctor or according to the instructions on the label. Do not use more or less than instructed by your doctor.
To use the eye drop solution, follow these steps:
- Wash your hands thoroughly with soap and water before using the eye drops.
- Tilt your head slightly backwards. With the index finger, pull the lower eyelid away from the eye to form a pouch. Look upward and instil the required number of drops inside the lower eyelid.
- Close your eyes and do not blink for a few seconds. Using your index finger, gently press the inner corner of your eye by the nose for 1 to 2 minutes. This may help prevent the absorption of Ketotifen into other parts of the body.
- Wipe any excess liquid from your face with a clean tissue.
- Replace and tighten the cap of the bottle.
Do not allow the tip of the dropper of this medicine to touch your eyes, eyelids, or any other surface. Recap the eye drop immediately after use. If the eye drop becomes contaminated, it could cause an infection in your eyes.
If you have been given any other eye drops or medicines to be used together with Ketotifen, wait for at least 5 minutes before using the other medicine.
Do not share your eye drops with anyone else.
Some brands of Ketotifen contain benzalkonium chloride as a preservative. This may discolour soft contact lenses and cause eye irritation. If you are wearing contact lenses, you should remove them before instilling the eye drops. Wait for at least 15 minutes before reinserting your lenses.
Instil the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.
DO NOT double a dose to make up for a missed dose.
Let your doctor know if you are pregnant or breastfeeding.
Be sure to check with your doctor or pharmacist before giving Ketotifen to a child. Children may be more sensitive to the side effects.
Ketotifen may cause drowsiness, dizziness, or blurred vision. If affected, do not drive or take part in any activity in which you need to be alert or need to see clearly.
Other side effects include any of the following: dry eyes, eye irritation, pain or redness, and burning sensation of the eye.
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Inform your doctor and pharmacist if you are taking any of these medicines:
- medicines that cause drowsiness or affect your concentration
- medicines for cold or allergy
This list does not include all medicines that may interact with Ketotifen.
Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements, and medicines that you buy without a prescription.
Avoid alcohol.
Store in a cool, dry place away from the reach of children.
Medicines must not be used past the expiry date.
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