Tysabri and Ear disorder - a phase IV clinical study of FDA data

Summary:

Ear disorder is reported as a side effect among people who take Tysabri (natalizumab), especially for people who are female, 40-49 old, have been taking the drug for 5 - 10 years also take Avonex, and have Gait disturbance.

The phase IV clinical study analyzes which people have Ear disorder when taking Tysabri. It is created by eHealthMe based on reports of 220,870 people who have side effects when taking Tysabri from the FDA, and is updated regularly.

What is Tysabri?

Tysabri has active ingredients of natalizumab. It is often used in multiple sclerosis. eHealthMe is studying from 221,369 Tysabri users. Check the latest studies of Tysabri.

What is Ear disorder?

Ear disorder is found to be associated with 592 drugs and 1,110 conditions by eHealthMe. Check the latest studies of Ear disorder.

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, 31, 2026

220,870 people reported to have side effects when taking Tysabri.
Among them, 33 people (0.01%) have Ear disorder.

Among these 33 people:

How long have people been on Tysabri when they have Ear disorder? *

What is the gender of people who have Ear disorder when taking Tysabri? *

female: 81.25 %
male: 18.75 %

What is the age of people who have Ear disorder when taking Tysabri? *

What are other drugs people take besides Tysabri? *

What are other side effects people have besides Ear disorder? *

Dizziness: 10 people, 30.30%
Depression: 8 people, 24.24%
Muscle Spasms (muscle contraction): 8 people, 24.24%
Headache (pain in head): 7 people, 21.21%
Weakness: 7 people, 21.21%
Urinary Tract Infection: 7 people, 21.21%
Fall: 7 people, 21.21%
Fatigue (feeling of tiredness): 7 people, 21.21%
Vision Blurred: 5 people, 15.15%
Ear Pain: 5 people, 15.15%

What are the existing conditions these people have? *

Gait Disturbance: 3 people, 9.09%
Urethritis Noninfective (inflammation of the urethra - non infective): 2 people, 6.06%
Pain: 2 people, 6.06%
Itching: 2 people, 6.06%
Diarrhea: 2 people, 6.06%
Cough: 2 people, 6.06%
Blood Glucose Abnormal: 2 people, 6.06%
Bladder Disorder: 2 people, 6.06%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 3.03%
High Blood Pressure: 1 person, 3.03%

* Approximation only. Some reports may have incomplete information.

Do you take Tysabri and have Ear disorder?

- Check whether Ear disorder 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 Tysabri:

Tysabri (221,369 reports)

Ear disorder treatments and more:

Ear disorder (6,288 reports)

Browse all side effects of Tysabri:

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 Ear disorder:

Ear disorder (592 drugs)

Browse all the conditions that are associated with Ear disorder:

Ear disorder (1,110 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on natalizumab (the active ingredients of Tysabri) and Tysabri (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.