Toviaz and Ill-defined disorder - a phase IV clinical study of FDA data

Summary:

Ill-defined disorder is reported as a side effect among people who take Toviaz (fesoterodine fumarate), especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months also take Vesicare, and have Gait disturbance.

The phase IV clinical study analyzes which people have Ill-defined disorder when taking Toviaz. It is created by eHealthMe based on reports of 13,173 people who have side effects when taking Toviaz from the FDA, and is updated regularly.

What is Toviaz?

Toviaz has active ingredients of fesoterodine fumarate. It is often used in urge incontinence. eHealthMe is studying from 13,353 Toviaz users. Check the latest studies of Toviaz.

What is Ill-defined disorder?

Ill-defined disorder is found to be associated with 1,465 drugs and 1,257 conditions by eHealthMe. Check the latest studies of Ill-defined disorder.

On Jul, 09, 2026

13,173 people reported to have side effects when taking Toviaz.
Among them, 57 people (0.43%) have Ill-defined disorder.

Could Toviaz cause Ill-defined disorder?

Among these 57 people:

How long have people been on Toviaz when they have Ill-defined disorder? *

What is the gender of people who have Ill-defined disorder when taking Toviaz? *

female: 91.67 %
male: 8.33 %

What is the age of people who have Ill-defined disorder when taking Toviaz? *

What are other drugs people take besides Toviaz? *

What are other side effects people have besides Ill-defined disorder? *

Jaw Disorder (jaw disease): 24 people, 42.11%
Cough: 23 people, 40.35%
Depression: 22 people, 38.60%
Fatigue (feeling of tiredness): 19 people, 33.33%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 17 people, 29.82%
Joint Pain: 14 people, 24.56%
Gait Disturbance: 14 people, 24.56%
Secondary Progressive Multiple Sclerosis (a stage of ms which comes after relapsing remitting ms in many cases): 14 people, 24.56%
Abdominal Pain: 13 people, 22.81%
Fall: 12 people, 21.05%

What are the existing conditions these people have? *

Gait Disturbance: 22 people, 38.60%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 17 people, 29.82%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 8 people, 14.04%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 7 people, 12.28%
Secondary Progressive Multiple Sclerosis (a stage of ms which comes after relapsing remitting ms in many cases): 6 people, 10.53%
Bladder Disorder: 2 people, 3.51%
Dry Eyes (lack of adequate tears): 2 people, 3.51%
Joint Pain: 2 people, 3.51%
Pain: 2 people, 3.51%
Pollakiuria (abnormally frequent passage of relatively small quantities or urine): 2 people, 3.51%

* Approximation only. Some reports may have incomplete information.

Do you take Toviaz and have Ill-defined disorder?

- Check whether Ill-defined disorder 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 Toviaz:

Toviaz (13,353 reports)

Browse all side effects of Toviaz:

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 Ill-defined disorder:

Ill-defined disorder (1,465 drugs)

Browse all the conditions that are associated with Ill-defined disorder:

Ill-defined disorder (1,257 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on fesoterodine fumarate (the active ingredients of Toviaz) and Toviaz (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.