Zaditor
- Consumer information sheet provided by the U.S. Food and Drug Administration Center for Drug Evaluation and Research.
- http://www.fda.gov/cder/consumerinfo/druginfo/zaditor.htm

Zaditor - Official Pharmaceutical Website
- Promotional information for consumers with a link to more detailed information for health professionals.
- http://www.zaditor.com/

Zaditor (ketotifen fumarate) - RxList Monographs
- Complete Prescribing information for this non-steroidal anti-inflammatory opthalmic solution.
- http://www.rxlist.com/cgi/generic3/ketotifen.htm