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

Summary:

Hyperhidrosis is reported as a side effect among people who take Extavia (interferon beta-1b), especially for people who are female, 30-39 old, have been taking the drug for 1 - 6 months also take Baclofen, and have High blood pressure.

The phase IV clinical study analyzes which people have Hyperhidrosis 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 Hyperhidrosis?

Hyperhidrosis (abnormally increased sweating) is found to be associated with 2,601 drugs and 3,518 conditions by eHealthMe. Check the latest studies of Hyperhidrosis.

On Oct, 17, 2025

4,879 people reported to have side effects when taking Extavia.
Among them, 130 people (2.66%) have Hyperhidrosis.

Among these 130 people:

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

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

female: 77.34 %
male: 22.66 %

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

What are other drugs people take besides Extavia? *

What are other side effects people have besides Hyperhidrosis? *

Fatigue (feeling of tiredness): 62 people, 47.69%
Chills (felling of cold): 62 people, 47.69%
Injection Site Pain: 52 people, 40.00%
Fever: 49 people, 37.69%
Weakness: 48 people, 36.92%
Injection Site Erythema (redness at injection site): 47 people, 36.15%
Influenza Like Illness: 46 people, 35.38%
Headache (pain in head): 39 people, 30.00%
Nausea (feeling of having an urge to vomit): 38 people, 29.23%
Injection Site Haematoma (localized swelling filled with blood at injection site): 34 people, 26.15%

What are the existing conditions these people have? *

High Blood Pressure: 9 people, 6.92%
Irritable Bowel Syndrome: 8 people, 6.15%
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): 8 people, 6.15%
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect): 8 people, 6.15%
Diabetes: 8 people, 6.15%
Pain: 3 people, 2.31%
Gait Disturbance: 2 people, 1.54%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 2 people, 1.54%
Clinically Isolated Syndrome (individual's first neurological episode, caused by inflammation or demyelination of nerve tissue): 2 people, 1.54%
Menopause (end of monthly cycles in women): 2 people, 1.54%

* Approximation only. Some reports may have incomplete information.

Do you take Extavia and have Hyperhidrosis?

- Check whether Hyperhidrosis 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 Extavia:

Extavia (4,888 reports)

Hyperhidrosis treatments and more:

Hyperhidrosis (147,205 reports)

Common Extavia side effects:

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

Common drugs associated with Hyperhidrosis:

Browse all the drugs that are associated with Hyperhidrosis:

Hyperhidrosis (2,601 drugs)

Common conditions associated with Hyperhidrosis:

Antidepressant therapy: 9,010 reports
Pain: 8,296 reports
Alternative medicine - pain relief: 8,279 reports
High blood pressure: 6,490 reports
Arthritis - rheumatoid: 6,337 reports
Acupuncture and pain: 5,598 reports
Ms: 4,898 reports
Tension: 4,633 reports
Niddm: 3,974 reports
High cholesterol: 3,494 reports

Browse all the conditions that are associated with Hyperhidrosis:

Hyperhidrosis (3,518 conditions)

Drugs similar to Extavia and Hyperhidrosis :

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.