Ketotifen (Ophthalmic)
Brand Names : Zaditor
Before Using This Medicine In deciding to use a medicine, the risks of taking the medicine must be
weighed against the good it will do. This is a decision you and your doctor
will make. For ketotifen, the following should be considered:
Allergies - Tell your doctor if you have ever had any unusual
or allergic reaction to ketotifen. Also tell your health care professional
if you are allergic to any other substances, such as preservatives.
Pregnancy - Ketotifen has not been studied in pregnant women.
However, studies in animals have shown that ketotifen, when given in very
high doses to some types of animals, causes birth defects. Before using this
medicine, make sure your doctor knows if you are pregnant or if you may become
pregnant.
Breast-feeding - It is not known whether ketotifen passes into
human breast milk. However, it does pass into the milk of animals with nursing
young. Mothers who are taking this medicine and who wish to breast-feed should
discuss this with their doctor.
Children - Studies on this medicine have been done only in
adult patients, and there is no specific information comparing use of ketotifen
in children younger than 3 years of age with use in other age groups.
Older adults - Many medicines have not been studied specifically
in older people. Therefore, it may not be known whether they work exactly
the same way they do in younger adults or if they cause different side effects
or problems in older people. There is no specific information comparing use
of ophthalmic ketotifen in the elderly with use in other age groups.
Other medicines - Although certain medicines should not be used
together at all, in other cases two different medicines may be used together
even if an interaction might occur. In these cases, your doctor may want to
change the dose, or other precautions may be necessary. Tell your health care
professional if you are taking or using any other prescription or nonprescription
(over-the-counter [OTC]) medicine.
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