The ketotifen elimination half life is 12 hours. After you apply this drug, your vision may become temporarily blurred. Try not to blink and do not rub your eye. Consult your doctor before breast-feeding.
Because eye allergies are ketotifen common, there are a number of brands of non-prescription eye drops available that are formulated to relieve itchiness, redness and watery eyes caused by allergies. The eyes produce a substance called histamine to fight off the allergen.
If you are using another kind of eye medication Ketotifen or ointment), wait at least 5 minutes before applying it. Do not keep outdated medicine or medicine no longer needed. Before using this medication, tell your doctor or pharmacist of all prescription and nonprescriptionherbal products you may use.