Flexeril and Enteritis - a phase IV clinical study of FDA data

Summary:

Enteritis is reported as a side effect among people who take Flexeril (cyclobenzaprine hydrochloride), especially for people who are female, 50-59 old, also take Flagyl, and have Osteoporosis.

The phase IV clinical study analyzes which people have Enteritis when taking Flexeril. It is created by eHealthMe based on reports of 34,789 people who have side effects when taking Flexeril from the FDA, and is updated regularly.

What is Flexeril?

Flexeril has active ingredients of cyclobenzaprine hydrochloride. It is often used in muscle spasms. eHealthMe is studying from 38,305 Flexeril users. Check the latest studies of Flexeril.

What is Enteritis?

Enteritis (inflammation of the small intestine) is found to be associated with 704 drugs and 673 conditions by eHealthMe. Check the latest studies of Enteritis.

On Nov, 11, 2025

34,789 people reported to have side effects when taking Flexeril.
Among them, 38 people (0.11%) have Enteritis.

Among these 38 people:

What is the gender of people who have Enteritis when taking Flexeril? *

female: 97.37 %
male: 2.63 %

What is the age of people who have Enteritis when taking Flexeril? *

What are other drugs people take besides Flexeril? *

What are other side effects people have besides Enteritis? *

Osteoporosis (bones weak and more likely to break): 30 people, 78.95%
Osteoarthritis (a joint disease caused by cartilage loss in a joint): 30 people, 78.95%
Osteitis (a general term for inflammation of bone): 30 people, 78.95%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 30 people, 78.95%
Foot Fracture: 30 people, 78.95%
Osteomyelitis (infection of bone): 30 people, 78.95%
Swelling: 30 people, 78.95%
Oedema Peripheral (superficial swelling): 29 people, 76.32%
Tooth Abscess (pus formation in tooth): 29 people, 76.32%
Sepsis (a severe blood infection that can lead to organ failure and death): 29 people, 76.32%

What are the existing conditions these people have? *

Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue): 28 people, 73.68%
Osteoporosis (bones weak and more likely to break): 28 people, 73.68%
Thrombocytopenia (decrease of platelets in blood): 11 people, 28.95%
Multiple Myeloma (cancer of the plasma cells): 2 people, 5.26%
Metastases To Bone (cancer spreads to bone): 2 people, 5.26%
Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 1 person, 2.63%
Quit Smoking: 1 person, 2.63%
Paroxysmal Nocturnal Haemoglobinuria (haemoglobin in the urine): 1 person, 2.63%
Nausea (feeling of having an urge to vomit): 1 person, 2.63%
Depression: 1 person, 2.63%

* Approximation only. Some reports may have incomplete information.

Do you take Flexeril and have Enteritis?

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Related studies:

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

Flexeril (38,305 reports)

Enteritis treatments and more:

Enteritis (7,968 reports)

Browse all side effects of Flexeril:

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 Enteritis:

Enteritis (704 drugs)

Browse all the conditions that are associated with Enteritis:

Enteritis (673 conditions)

Drugs similar to Flexeril and Enteritis :

How the study uses the data?

The study uses data from the FDA. It is based on cyclobenzaprine hydrochloride (the active ingredients of Flexeril) and Flexeril (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.