Zaditor and Joint pain - a phase IV clinical study of FDA data

Summary:

Joint pain is reported as a side effect among people who take Zaditor (ketotifen fumarate), especially for people who are female, 60+ old, also take Zyrtec, and have Dizziness.

The phase IV clinical study analyzes which people have Joint pain when taking Zaditor. It is created by eHealthMe based on reports of 4,423 people who have side effects when taking Zaditor from the FDA, and is updated regularly.

What is Zaditor?

Zaditor has active ingredients of ketotifen fumarate. It is often used in eye allergy. eHealthMe is studying from 4,448 Zaditor users. Check the latest studies of Zaditor.

What is Joint pain?

Joint pain is found to be associated with 3,328 drugs and 5,212 conditions by eHealthMe. Check the latest studies of Joint pain.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 10, 2026

4,423 people reported to have side effects when taking Zaditor.
Among them, 71 people (1.61%) have Joint pain.

Among these 71 people:

What is the gender of people who have Joint pain when taking Zaditor? *

female: 98.46 %
male: 1.54 %

What is the age of people who have Joint pain when taking Zaditor? *

What are other drugs people take besides Zaditor? *

What are other side effects people have besides Joint pain? *

Headache (pain in head): 59 people, 83.10%
Fatigue (feeling of tiredness): 58 people, 81.69%
Muscle Aches (muscle pain): 57 people, 80.28%
Nausea (feeling of having an urge to vomit): 56 people, 78.87%
Diarrhea: 55 people, 77.46%
Itching: 55 people, 77.46%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 55 people, 77.46%
Neck Pain: 55 people, 77.46%
Back Pain: 55 people, 77.46%
Chills (felling of cold): 54 people, 76.06%

What are the existing conditions these people have? *

Dizziness: 49 people, 69.01%
Pain: 17 people, 23.94%
Asthma: 4 people, 5.63%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 3 people, 4.23%
Hyperglycemia (high blood sugar): 2 people, 2.82%
Pituitary-Dependent Cushing's Syndrome (pituitary dependent hypercortisolism): 2 people, 2.82%
Neuroendocrine Tumor: 2 people, 2.82%
Ectopic Acth Syndrome (a type of cancer-usually associated with the lung): 2 people, 2.82%
Synovitis (inflammation of the synovial membrane): 2 people, 2.82%
Glaucoma (increased fluid pressure in the eye with vision loss): 1 person, 1.41%

* Approximation only. Some reports may have incomplete information.

Do you take Zaditor and have Joint pain?

- Check whether Joint pain is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Zaditor:

Zaditor (4,448 reports)

Joint pain treatments and more:

Joint pain (542,935 reports)

Browse all side effects of Zaditor:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Joint pain:

Joint pain (3,328 drugs)

Browse all the conditions that are associated with Joint pain:

Joint pain (5,212 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on ketotifen fumarate (the active ingredients of Zaditor) and Zaditor (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.