Ketotifen drops be taken continuously in order to be effective. Apply eye drops before eye ointments to allow the eye drops to enter the eye.

Because eye allergies are so common, there zaditor a number of brands of non-prescription eye drops available that are formulated to relieve itchiness, redness and watery eyes caused by allergies. Prescription antihistamines can be mildly effective in relieving the itching associated with eye allergies.

If your doctor has directed you to use this medication, remember that he or she has judged that the benefit to you is greater than the risk of side effects.

However, in other problems, eye allergies can develop from exposure to other environmental triggers, such as pet dander, dust, pollen, smoke, perfumes, or even foods. Do not zaditor doses. Ketotifen is not effective for the prevention or treatment of acute asthma attacks. But drop side effects of long-term use of these medications include high eye pressure, glaucoma and cataracts, so they typically are prescribed for short-term use only.

Consult your doctor about the use of contact lenses when the eyes are red or irritated.

If your doctor zaditor prescribed this medication, use it regularly in order to get the most benefit from it. Do not keep outdated drop or medicine no longer needed.