Myrbetriq and Myasthenia gravis - a phase IV clinical study of FDA data

Summary:

Myasthenia gravis is reported as a side effect among people who take Myrbetriq (mirabegron), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Prednisone, and have Encephalitis autoimmune.

The phase IV clinical study analyzes which people have Myasthenia gravis when taking Myrbetriq. It is created by eHealthMe based on reports of 33,382 people who have side effects when taking Myrbetriq from the FDA, and is updated regularly.

What is Myrbetriq?

Myrbetriq has active ingredients of mirabegron. It is often used in urge incontinence. eHealthMe is studying from 33,658 Myrbetriq users. Check the latest studies of Myrbetriq.

What is Myasthenia gravis?

Myasthenia gravis (a chronic condition that causes muscles to tire and weaken easily) is found to be associated with 541 drugs and 713 conditions by eHealthMe. Check the latest studies of Myasthenia gravis.

On Jul, 19, 2026

33,382 people reported to have side effects when taking Myrbetriq.
Among them, 32 people (0.1%) have Myasthenia gravis.

Could Myrbetriq cause Myasthenia gravis?

Among these 32 people:

How long have people been on Myrbetriq when they have Myasthenia gravis? *

What is the gender of people who have Myasthenia gravis when taking Myrbetriq? *

female: 82.61 %
male: 17.39 %

What is the age of people who have Myasthenia gravis when taking Myrbetriq? *

What are other drugs people take besides Myrbetriq? *

Prednisone: 16 people, 50.00%
Ondansetron: 15 people, 46.88%
Slow-K: 14 people, 43.75%
Pantoprazole Sodium: 14 people, 43.75%
Risedronate Sodium: 14 people, 43.75%
Benadryl: 14 people, 43.75%
Calcium: 14 people, 43.75%
Clopidogrel Bisulfate: 14 people, 43.75%
Diltiazem Hydrochloride: 14 people, 43.75%
Edarbi: 14 people, 43.75%

What are other side effects people have besides Myasthenia gravis? *

Fatigue (feeling of tiredness): 17 people, 53.12%
Urinary Tract Infection: 15 people, 46.88%
Fall: 15 people, 46.88%
Incontinence (lack of moderation or self-control): 14 people, 43.75%
Facial Paralysis (loss of function of face muscle): 14 people, 43.75%
Weight Increased: 14 people, 43.75%
Loss Of Bladder Sensation (can not feel the urge of urination): 14 people, 43.75%
Hypoaesthesia (reduced sense of touch or sensation): 14 people, 43.75%
Muscle Tightness: 14 people, 43.75%
Neuropathy Peripheral (surface nerve damage): 14 people, 43.75%

What are the existing conditions these people have? *

Bladder Spasm: 14 people, 43.75%
Encephalitis Autoimmune (autoimmune origin disturbances of consciousness and pyramidal signs, inflammation of the brain): 14 people, 43.75%
Urinary Tract Infection: 6 people, 18.75%
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): 3 people, 9.38%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 9.38%
Mobility Decreased (ability to move is reduced): 3 people, 9.38%
Gait Disturbance: 3 people, 9.38%
Hypertonic Bladder (bladder-storage function that causes a sudden urge to urinate): 2 people, 6.25%
Diabetes: 2 people, 6.25%
Incontinence (lack of moderation or self-control): 2 people, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Myrbetriq and have Myasthenia gravis?

- Check whether Myasthenia gravis 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 Myrbetriq:

Myrbetriq (33,658 reports)

Browse all side effects of Myrbetriq:

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 Myasthenia gravis:

Myasthenia gravis (541 drugs)

Browse all the conditions that are associated with Myasthenia gravis:

Myasthenia gravis (713 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on mirabegron (the active ingredients of Myrbetriq) and Myrbetriq (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.