Drug Safety Information for ZADITOR (Ketotifen fumarate)

Adverse Drug Reactions for ZADITOR* (Ketotifen fumarate)

These charts and graphs are based on reports received through the FDA Adverse Event Reporting System (FAERS) program (see below).

Top 20 Adverse Effects Associated with ZADITOR
(reported in FDA Medwatch/FAERS Reports)

  Side Effect # of FDA Reports
1Eye irritation206
2Drug ineffective135
3Instillation site pain104
4Ocular hyperaemia82
5Eye pain68
6Pyrexia65
7Condition aggravated61
8Headache52
9Diarrhoea50
10Eye pruritus49
11Somnolence47
12Convulsion46
13Vision blurred46
14Nausea43
15Rash43
16Dizziness43
17Pruritus39
18Vomiting39
19Fatigue36
20Pneumonia36

* This side effect also appears in "Top 10 Side Effects of ZADITOR " in the drug's Review Summary based on AskaPatient reviews.

Top 10 Reasons for Taking ZADITOR
(associated with FDA Medwatch/FAERS Reports)

Reason # of FDA Reports
1Eye pruritus569
2Product used for unknown indication356
3Hypersensitivity241
4Eye allergy205
5Seasonal allergy175
6Asthma155
7Pruritus95
8Rhinitis allergic93
9Dermatitis atopic79
10Conjunctivitis allergic74

*Also a top-10 reason in AskaPatient Review Summary.


Types of Adverse Events for ZADITOR

Total Reports Filed with FDA: 5466


Number of FDA Adverse Event Reports by Patient Age for ZADITOR

Total Reports Filed with FDA: 5466*


* Reports for drugs with the same active ingredients have been aggregated in this analysis: Ketotifen fumarate (Zaditen, Allergy relief eye, Care one allergy eye, Allergy eye drops, Zaditor, Antihistamine eye, Equate itchy eye, Good sense itchy eye, Itchy eye relief, Leader allergy eye, Itchy eye, Eye itch relief, Itchy eye drops, Ketotifen fumarate, Eye itch, Allergy eye, Ketotifen, Alaway)

Charts are based on 5466 reports filed with the FDA between 2004 and June 2015.

Adverse Event Reports are submitted to the FDA by pharmaceutical companies (mandatory reporting is required by manufacturers, distributors, or importers), health care providers such as doctors (voluntary reporting), and by patients themselves (voluntary reporting). More Information on FDA MedWatch (FDA Safety Information and Adverse Event Reporting Program)Voluntary reporting takes place under the FDA's MedWatch program, where health care professionals and consumers submit reports to FDA when they find a problem with a drug, medical device, biologic, or other FDA-regulated product. An adverse event is any undesirable experience or extreme side effect associated with the use of a medical product. Adverse events include: death, life threatening event, hospitalization, disability or permanent damage, congenital anomaly or birth defect, medical product use requiring a surgical or other intervention, or other serious medical situation believed to be caused by the drug.

Click to go back to search results and ZADITOR Reviews and Review Summary .

Historical Analytics of FDA Adverse Event Reports Provided by Druginformer.com. FDA Drug Safety Information, including safety-related labeling updates, required post-approval safety studies, risk evaluation management strategies (REMS), alerts, and recalls are compiled by AskaPatient.com from the U.S. Food and Drug Administration.