Lopurin and Electrocardiogram poor r-wave progression - a phase IV clinical study of FDA data

Summary:

Electrocardiogram poor r-wave progression is reported as a side effect among people who take Lopurin (allopurinol), especially for people who are male, 60+ old, also take Furosemide, and have Prostate cancer.

The phase IV clinical study analyzes which people have Electrocardiogram poor r-wave progression when taking Lopurin. It is created by eHealthMe based on reports of 188,140 people who have side effects when taking Lopurin from the FDA, and is updated regularly.

What is Lopurin?

Lopurin has active ingredients of allopurinol. It is often used in gout. eHealthMe is studying from 190,798 Lopurin users. Check the latest studies of Lopurin.

What is Electrocardiogram poor r-wave progression?

Electrocardiogram poor r-wave progression is found to be associated with 84 drugs and 249 conditions by eHealthMe. Check the latest studies of Electrocardiogram poor r-wave progression.

On Jul, 19, 2026

188,140 people reported to have side effects when taking Lopurin.
Among them, 19 people (0.01%) have Electrocardiogram poor r-wave progression.

Could Lopurin cause Electrocardiogram poor r-wave progression?

Among these 19 people:

What is the gender of people who have Electrocardiogram poor r-wave progression when taking Lopurin? *

female: 21.05 %
male: 78.95 %

What is the age of people who have Electrocardiogram poor r-wave progression when taking Lopurin? *

What are other drugs people take besides Lopurin? *

What are other side effects people have besides Electrocardiogram poor r-wave progression? *

Blood Urea Increased: 12 people, 63.16%
Weight Decreased: 11 people, 57.89%
Atrioventricular Block First Degree (heart block first degree): 11 people, 57.89%
Enlarged Heart: 11 people, 57.89%
Rotator Cuff Syndrome (a spectrum of conditions affecting the rotator cuff tendons of the shoulder): 10 people, 52.63%
Injury: 10 people, 52.63%
Fever: 10 people, 52.63%
Fatigue (feeling of tiredness): 10 people, 52.63%
Oedema Peripheral (superficial swelling): 10 people, 52.63%
Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 10 people, 52.63%

What are the existing conditions these people have? *

Prostate Cancer: 9 people, 47.37%
Cardiac Failure Congestive: 2 people, 10.53%
Castleman's Disease (a disease of lymph nodes and related tissues): 1 person, 5.26%
Atrial Tachycardia (rhythm disturbance that arises in the atria): 1 person, 5.26%
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): 1 person, 5.26%

* Approximation only. Some reports may have incomplete information.

Do you take Lopurin and have Electrocardiogram poor r-wave progression?

- Check whether Electrocardiogram poor r-wave progression 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 Lopurin:

Lopurin (190,798 reports)

Electrocardiogram poor r-wave progression treatments and more:

Electrocardiogram poor r-wave progression (339 reports)

How severe was Electrocardiogram poor r-wave progression and when was it recovered:

Electrocardiogram poor r-wave progression in Lopurin

Expand to all the drugs that have ingredients of allopurinol:

Electrocardiogram poor r-wave progression and drugs with ingredients of allopurinol

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Lopurin:

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 Electrocardiogram poor r-wave progression:

Electrocardiogram poor r-wave progression (84 drugs)

Browse all the conditions that are associated with Electrocardiogram poor r-wave progression:

Electrocardiogram poor r-wave progression (249 conditions)

How the study uses the data?

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