Prevacid and Bundle branch block left - a phase IV clinical study of FDA data

Summary:

Bundle branch block left is reported as a side effect among people who take Prevacid (lansoprazole), especially for people who are female, 60+ old, have been taking the drug for 5 - 10 years also take Lipitor, and have High blood pressure.

The phase IV clinical study analyzes which people have Bundle branch block left when taking Prevacid. It is created by eHealthMe based on reports of 128,835 people who have side effects when taking Prevacid from the FDA, and is updated regularly.

What is Prevacid?

Prevacid has active ingredients of lansoprazole. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 130,714 Prevacid users. Check the latest studies of Prevacid.

What is Bundle branch block left?

Bundle branch block left (absence of transmission of electric impulses from the atrioventricular (av) bundle of his to the left ventricle) is found to be associated with 723 drugs and 794 conditions by eHealthMe. Check the latest studies of Bundle branch block left.

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, 30, 2026

128,835 people reported to have side effects when taking Prevacid.
Among them, 99 people (0.08%) have Bundle branch block left.

Could Prevacid cause Bundle branch block left?

Among these 99 people:

How long have people been on Prevacid when they have Bundle branch block left? *

What is the gender of people who have Bundle branch block left when taking Prevacid? *

female: 57.58 %
male: 42.42 %

What is the age of people who have Bundle branch block left when taking Prevacid? *

What are other drugs people take besides Prevacid? *

What are other side effects people have besides Bundle branch block left? *

Chest Pain: 44 people, 44.44%
Cardiac Failure Congestive: 41 people, 41.41%
High Blood Pressure: 39 people, 39.39%
Dyspnea (difficult or laboured breathing): 35 people, 35.35%
Weakness: 33 people, 33.33%
Coronary Heart Disease (narrowing or blockage of the coronary arteries): 32 people, 32.32%
Oedema Peripheral (superficial swelling): 31 people, 31.31%
Joint Pain: 31 people, 31.31%
Stress And Anxiety: 28 people, 28.28%
Anaemia (lack of blood): 28 people, 28.28%

What are the existing conditions these people have? *

High Blood Pressure: 12 people, 12.12%
Osteoporosis (bones weak and more likely to break): 10 people, 10.10%
High Blood Cholesterol: 7 people, 7.07%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 7 people, 7.07%
Multiple Myeloma (cancer of the plasma cells): 7 people, 7.07%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 6 people, 6.06%
Osteopenia (a condition where bone mineral density is lower than normal): 6 people, 6.06%
Anaemia (lack of blood): 5 people, 5.05%
Stress And Anxiety: 5 people, 5.05%
Cardiac Failure Congestive: 5 people, 5.05%

* Approximation only. Some reports may have incomplete information.

Do you take Prevacid and have Bundle branch block left?

- Check whether Bundle branch block left 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 Prevacid:

Prevacid (130,714 reports)

Browse all side effects of Prevacid:

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 Bundle branch block left:

Bundle branch block left (723 drugs)

Browse all the conditions that are associated with Bundle branch block left:

Bundle branch block left (794 conditions)

Related publications that referenced our studies

Li W, Lamichhane J, "From Heartbreak to Left Bundle Branch Block: A Case of Amitriptyline Overdose", American Journal of Therapeutics, 2017 Sep .
Li W, Lamichhane J, "From Heartbreak to Left Bundle Branch Block: A Case of Amitriptyline Overdose", American Journal of Therapeutics, 2017 Sep .

How the study uses the data?

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