"In the largest, most comprehensive, nationwide study to examine the prevalence of allergies from early childhood to old age, scientists from the National Institutes of Health report that allergy prevalence is the same across different regions "...
In controlled clinical studies, conjunctival injection, headaches, and rhinitis were reported at an incidence of 10 to 25%. The occurrence of these side effects was generally mild. Some of these events were similar to the underlying ocular disease being studied.
The following ocular and non-ocular adverse reactions were reported at an incidence of less than 5%:
Non-Ocular: Flu syndrome, pharyngitis.
Read the Zaditor (ketotifen fumarate) Side Effects Center for a complete guide to possible side effects
Last reviewed on RxList: 5/15/2008
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