Avonex and Thyroid function test abnormal - a phase IV clinical study of FDA data

Summary:

Thyroid function test abnormal is reported as a side effect among people who take Avonex (interferon beta 1a), especially for people who are female, 50-59 old, have been taking the drug for 2 - 5 years also take Tysabri, and have High blood pressure.

The phase IV clinical study analyzes which people have Thyroid function test abnormal when taking Avonex. It is created by eHealthMe based on reports of 198,141 people who have side effects when taking Avonex from the FDA, and is updated regularly.

What is Avonex?

Avonex has active ingredients of interferon beta 1a. It is often used in multiple sclerosis. eHealthMe is studying from 198,544 Avonex users. Check the latest studies of Avonex.

What is Thyroid function test abnormal?

Thyroid function test abnormal is found to be associated with 1,732 drugs and 1,580 conditions by eHealthMe. Check the latest studies of Thyroid function test abnormal.

On Jul, 21, 2025

198,141 people reported to have side effects when taking Avonex.
Among them, 502 people (0.25%) have Thyroid function test abnormal.

Could Avonex cause Thyroid function test abnormal?

Among these 502 people:

How long have people been on Avonex when they have Thyroid function test abnormal? *

What is the gender of people who have Thyroid function test abnormal when taking Avonex? *

female: 92.34 %
male: 7.66 %

What is the age of people who have Thyroid function test abnormal when taking Avonex? *

What are other drugs people take besides Avonex? *

What are other side effects people have besides Thyroid function test abnormal? *

Influenza Like Illness: 86 people, 17.13%
Fatigue (feeling of tiredness): 69 people, 13.75%
High Blood Pressure: 63 people, 12.55%
Depression: 61 people, 12.15%
Pain: 56 people, 11.16%
Memory Loss: 55 people, 10.96%
Stress And Anxiety: 54 people, 10.76%
Fall: 48 people, 9.56%
Weight Increased: 45 people, 8.96%
Weakness: 41 people, 8.17%

What are the existing conditions these people have? *

High Blood Pressure: 10 people, 1.99%
Depression: 7 people, 1.39%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 7 people, 1.39%
Diabetes: 6 people, 1.20%
Stress And Anxiety: 5 people, 1.00%
Pain: 5 people, 1.00%
High Blood Cholesterol: 4 people, 0.80%
Muscle Spasms (muscle contraction): 4 people, 0.80%
Trigeminal Neuralgia (a painful condition of the nerve responsible for most facial sensation): 4 people, 0.80%
Asthma: 3 people, 0.60%

* Approximation only. Some reports may have incomplete information.

Do you take Avonex and have Thyroid function test abnormal?

- Check whether Thyroid function test abnormal 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 Avonex:

Avonex (198,544 reports)

Thyroid function test abnormal treatments and more:

Thyroid function test abnormal (69,451 reports)

How severe was Thyroid function test abnormal and when was it recovered:

Thyroid function test abnormal in Avonex

Browse all side effects of Avonex:

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 Thyroid function test abnormal:

Thyroid function test abnormal (1,732 drugs)

Browse all the conditions that are associated with Thyroid function test abnormal:

Thyroid function test abnormal (1,580 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on interferon beta 1a (the active ingredients of Avonex) and Avonex (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.