Zocor and Cystitis interstitial - a phase IV clinical study of FDA data

Summary:

Cystitis interstitial is reported as a side effect among people who take Zocor (simvastatin), especially for people who are female, 60+ old, also take Synthroid, and have Hypothyroidism.

The phase IV clinical study analyzes which people have Cystitis interstitial when taking Zocor. It is created by eHealthMe based on reports of 84,616 people who have side effects when taking Zocor from the FDA, and is updated regularly.

What is Zocor?

Zocor has active ingredients of simvastatin. It is often used in high blood cholesterol. eHealthMe is studying from 86,545 Zocor users. Check the latest studies of Zocor.

What is Cystitis interstitial?

Cystitis interstitial (unknown cause characterized by bladder pain) is found to be associated with 332 drugs and 439 conditions by eHealthMe. Check the latest studies of Cystitis interstitial.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 26, 2026

84,616 people reported to have side effects when taking Zocor.
Among them, 33 people (0.04%) have Cystitis interstitial.

Could Zocor cause Cystitis interstitial?

Among these 33 people:

What is the gender of people who have Cystitis interstitial when taking Zocor? *

female: 78.12 %
male: 21.88 %

What is the age of people who have Cystitis interstitial when taking Zocor? *

What are other drugs people take besides Zocor? *

What are other side effects people have besides Cystitis interstitial? *

Nausea And Vomiting: 17 people, 51.52%
Chest Pain: 13 people, 39.39%
Renal Cyst (kidney cyst): 12 people, 36.36%
Abdominal Pain: 12 people, 36.36%
Urinary Incontinence (inability to control the flow of urine and involuntary urination): 12 people, 36.36%
Tumor: 12 people, 36.36%
Malaise (a feeling of general discomfort or uneasiness): 12 people, 36.36%
Hypoaesthesia (reduced sense of touch or sensation): 12 people, 36.36%
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect): 12 people, 36.36%
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 12 people, 36.36%

What are the existing conditions these people have? *

Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 12 people, 36.36%
Osteoporosis (bones weak and more likely to break): 10 people, 30.30%
Osteopenia (a condition where bone mineral density is lower than normal): 10 people, 30.30%
Sleep Disorder: 9 people, 27.27%
Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 5 people, 15.15%
Seasonal Allergy (allergic condition due to certain season): 2 people, 6.06%
Type 2 Diabetes: 1 person, 3.03%
Schizoaffective Disorder (a mental disorder characterized by disordered thought): 1 person, 3.03%
Extrasystoles: 1 person, 3.03%
Depression: 1 person, 3.03%

* Approximation only. Some reports may have incomplete information.

Do you take Zocor and have Cystitis interstitial?

- Check whether Cystitis interstitial 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 Zocor:

Zocor (86,545 reports)

Browse all side effects of Zocor:

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 Cystitis interstitial:

Cystitis interstitial (332 drugs)

Browse all the conditions that are associated with Cystitis interstitial:

Cystitis interstitial (439 conditions)

How the study uses the data?

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