Extavia and Stroke - a phase IV clinical study of FDA data

Summary:

Stroke is reported as a side effect among people who take Extavia (interferon beta-1b), especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months also take Cymbalta, and have Pain.

The phase IV clinical study analyzes which people have Stroke when taking Extavia. It is created by eHealthMe based on reports of 4,879 people who have side effects when taking Extavia from the FDA, and is updated regularly.

What is Extavia?

Extavia has active ingredients of interferon beta-1b. It is often used in multiple sclerosis. eHealthMe is studying from 4,888 Extavia users. Check the latest studies of Extavia.

What is Stroke?

Stroke (sudden death of a portion of the brain cells due to a lack of oxygen) is found to be associated with 2,365 drugs and 3,014 conditions by eHealthMe. Check the latest studies of Stroke.



On Jan, 22, 2026

4,879 people reported to have side effects when taking Extavia.
Among them, 30 people (0.61%) have Stroke.

Could Extavia cause Stroke?

Among these 30 people:

How long have people been on Extavia when they have Stroke? *

  • < 1 month: 16.67 %
  • 1 - 6 months: 33.33 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 33.33 %
  • 2 - 5 years: 16.67 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Stroke when taking Extavia? *

  • female: 89.66 %
  • male: 10.34 %

What is the age of people who have Stroke when taking Extavia? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 6.25 %
  • 30-39: 6.25 %
  • 40-49: 18.75 %
  • 50-59: 18.75 %
  • 60+: 50.0 %

What are other drugs people take besides Extavia? *

  1. Gabapentin: 5 people, 16.67%
  2. Cymbalta: 5 people, 16.67%
  3. Vicodin: 4 people, 13.33%
  4. Dexilant: 3 people, 10.00%
  5. Xanax: 3 people, 10.00%
  6. Vitamin B12: 3 people, 10.00%
  7. Spiriva: 3 people, 10.00%
  8. Nitrostat: 3 people, 10.00%
  9. Keppra: 2 people, 6.67%
  10. Paracetamol: 2 people, 6.67%

What are other side effects people have besides Stroke? *

  1. Fall: 10 people, 33.33%
  2. Headache (pain in head): 7 people, 23.33%
  3. Injection Site Erythema (redness at injection site): 7 people, 23.33%
  4. Weakness: 6 people, 20.00%
  5. Vision Blurred: 6 people, 20.00%
  6. Bone Disorder: 6 people, 20.00%
  7. Injection Site Pruritus (severe itching at injection site): 5 people, 16.67%
  8. Pain: 5 people, 16.67%
  9. Facial Nerve Disorder (disease of face nerve): 5 people, 16.67%
  10. Facial Pain: 5 people, 16.67%

What are the existing conditions these people have? *

  1. Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 2 people, 6.67%
  2. Pain: 2 people, 6.67%
  3. Osteoporosis (bones weak and more likely to break): 1 person, 3.33%
  4. Gastric Disorder (disease of stomach): 1 person, 3.33%
  5. Depression: 1 person, 3.33%
  6. Birth Control: 1 person, 3.33%
  7. Acne (skin problems that cause pimples): 1 person, 3.33%

* Approximation only. Some reports may have incomplete information.

Do you take Extavia and have Stroke?

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Related studies:

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

Stroke treatments and more:

How severe was Stroke and when was it recovered:

Expand to all the drugs that have ingredients of interferon beta-1b:

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Extavia:

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 Stroke:

Browse all the conditions that are associated with Stroke:

Drugs similar to Extavia and Stroke :


How the study uses the data?

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



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