Norflex and Bronchitis - a phase IV clinical study of FDA data

Summary:

Bronchitis is reported as a side effect among people who take Norflex (orphenadrine citrate), especially for people who are female, 40-49 old, also take Zoloft, and have Hepatitis c.

The phase IV clinical study analyzes which people have Bronchitis when taking Norflex. It is created by eHealthMe based on reports of 1,749 people who have side effects when taking Norflex from the FDA, and is updated regularly.

What is Norflex?

Norflex has active ingredients of orphenadrine citrate. It is often used in muscle spasms. eHealthMe is studying from 1,951 Norflex users. Check the latest studies of Norflex.

What is Bronchitis?

Bronchitis (inflammation of the mucous membrane in the bronchial tubes) is found to be associated with 2,365 drugs and 2,432 conditions by eHealthMe. Check the latest studies of Bronchitis.

On Apr, 10, 2026

1,749 people reported to have side effects when taking Norflex.
Among them, 40 people (2.29%) have Bronchitis.

Among these 40 people:

What is the gender of people who have Bronchitis when taking Norflex? *

female: 70 %
male: 30 %

What is the age of people who have Bronchitis when taking Norflex? *

What are other drugs people take besides Norflex? *

What are other side effects people have besides Bronchitis? *

Weakness: 20 people, 50.00%
Joint Pain: 19 people, 47.50%
Pain: 19 people, 47.50%
Depression: 19 people, 47.50%
Headache (pain in head): 18 people, 45.00%
Nausea (feeling of having an urge to vomit): 17 people, 42.50%
Pain In Extremity: 17 people, 42.50%
Oedema Peripheral (superficial swelling): 17 people, 42.50%
Dehydration (dryness resulting from the removal of water): 17 people, 42.50%
Fall: 16 people, 40.00%

What are the existing conditions these people have? *

Hepatitis C: 10 people, 25.00%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 3 people, 7.50%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 7.50%
Immunodeficiency Common Variable: 2 people, 5.00%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 5.00%
Polyarthritis (arthritis which involves 5 or more joints simultaneously): 2 people, 5.00%
Pain: 2 people, 5.00%
Bipolar Disorder (mood disorder): 2 people, 5.00%
Cardiac Failure Congestive: 2 people, 5.00%
Diabetes: 2 people, 5.00%

* Approximation only. Some reports may have incomplete information.

Do you take Norflex and have Bronchitis?

- Check whether Bronchitis 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 Norflex:

Norflex (1,951 reports)

Bronchitis treatments and more:

Bronchitis (118,920 reports)

Browse all side effects of Norflex:

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 Bronchitis:

Bronchitis (2,365 drugs)

Browse all the conditions that are associated with Bronchitis:

Bronchitis (2,432 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on orphenadrine citrate (the active ingredients of Norflex) and Norflex (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.