Effexor and Ventricular dysfunction - a phase IV clinical study of FDA data

Summary:

Ventricular dysfunction is reported as a side effect among people who take Effexor (venlafaxine hydrochloride), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Vioxx, and have Sleep disorder.

The phase IV clinical study analyzes which people have Ventricular dysfunction when taking Effexor. It is created by eHealthMe based on reports of 92,291 people who have side effects when taking Effexor from the FDA, and is updated regularly.

What is Effexor?

Effexor has active ingredients of venlafaxine hydrochloride. It is often used in depression. eHealthMe is studying from 99,478 Effexor users. Check the latest studies of Effexor.

What is Ventricular dysfunction?

Ventricular dysfunction (heart dysfunction) is found to be associated with 569 drugs and 549 conditions by eHealthMe. Check the latest studies of Ventricular dysfunction.

On Jul, 29, 2025

92,291 people reported to have side effects when taking Effexor.
Among them, 32 people (0.03%) have Ventricular dysfunction.

Could Effexor cause Ventricular dysfunction?

Among these 32 people:

How long have people been on Effexor when they have Ventricular dysfunction? *

What is the gender of people who have Ventricular dysfunction when taking Effexor? *

female: 62.5 %
male: 37.5 %

What is the age of people who have Ventricular dysfunction when taking Effexor? *

What are other drugs people take besides Effexor? *

Vioxx: 16 people, 50.00%
Vicodin: 5 people, 15.62%
Zestril: 4 people, 12.50%
Atenolol: 4 people, 12.50%
Lipitor: 4 people, 12.50%
Zyrtec: 3 people, 9.38%
Glucotrol: 3 people, 9.38%
Glucovance: 3 people, 9.38%
Risperdal: 3 people, 9.38%
Ranitidine Hydrochloride: 3 people, 9.38%

What are other side effects people have besides Ventricular dysfunction? *

Heart Attack: 14 people, 43.75%
Pulmonary Hypertension (increase in blood pressure in the lung artery): 13 people, 40.62%
Chest Pain: 12 people, 37.50%
Dyspnea (difficult or laboured breathing): 12 people, 37.50%
Coronary Heart Disease (narrowing or blockage of the coronary arteries): 12 people, 37.50%
Mitral Valve Incompetence (inefficient heart valve): 12 people, 37.50%
Tricuspid Valve Incompetence (inefficient heart valve): 11 people, 34.38%
Cardiac Failure Congestive: 10 people, 31.25%
Ischaemic Cardiomyopathy (weakness in the muscle of the heart due to inadequate oxygen delivery to the myocardium with coronary artery disease): 8 people, 25.00%
Enlarged Heart: 8 people, 25.00%

What are the existing conditions these people have? *

Sleep Disorder: 4 people, 12.50%
Major Depression (a mood state that goes well beyond temporarily feeling sad or blue. it is a serious medical illness that affects one's thoughts, feelings): 3 people, 9.38%
High Blood Pressure: 3 people, 9.38%
Pain In Extremity: 2 people, 6.25%
Pain: 2 people, 6.25%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 2 people, 6.25%
Bipolar I Disorder (mood disorder that is characterized by at least one manic or mixed episode): 2 people, 6.25%
Fibromyalgia (a long-term condition which causes pain all over the body): 2 people, 6.25%
Bursitis (inflammation of a bursa, typically one in the knee, elbow, or shoulder): 1 person, 3.12%
Asthma: 1 person, 3.12%

* Approximation only. Some reports may have incomplete information.

Do you take Effexor and have Ventricular dysfunction?

- Check whether Ventricular dysfunction 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 Effexor:

Effexor (99,478 reports)

Ventricular dysfunction treatments and more:

Ventricular dysfunction (3,624 reports)

How severe was Ventricular dysfunction and when was it recovered:

Ventricular dysfunction in Effexor

Browse all side effects of Effexor:

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 Ventricular dysfunction:

Ventricular dysfunction (569 drugs)

Browse all the conditions that are associated with Ventricular dysfunction:

Ventricular dysfunction (549 conditions)

How the study uses the data?

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