Norco 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 Norco (acetaminophen; hydrocodone bitartrate), especially for people who are female, 60+ old, also take Lasix, and have Osteoporosis.

The phase IV clinical study analyzes which people have Bundle branch block left when taking Norco. It is created by eHealthMe based on reports of 71,619 people who have side effects when taking Norco from the FDA, and is updated regularly.

What is Norco?

Norco has active ingredients of acetaminophen; hydrocodone bitartrate. It is often used in pain. eHealthMe is studying from 74,063 Norco users. Check the latest studies of Norco.

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 Sep, 01, 2026

71,619 people reported to have side effects when taking Norco.
Among them, 18 people (0.03%) have Bundle branch block left.

Could Norco cause Bundle branch block left?

Among these 18 people:

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

female: 52.94 %
male: 47.06 %

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

What are other drugs people take besides Norco? *

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

Cardiac Failure Congestive: 10 people, 55.56%
Chest Pain: 9 people, 50.00%
Diarrhea: 8 people, 44.44%
Dyspnea (difficult or laboured breathing): 8 people, 44.44%
Urinary Tract Infection: 7 people, 38.89%
Cough: 6 people, 33.33%
Stress And Anxiety: 6 people, 33.33%
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): 6 people, 33.33%
Hypotension (abnormally low blood pressure): 6 people, 33.33%
Fatigue (feeling of tiredness): 5 people, 27.78%

What are the existing conditions these people have? *

Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 2 people, 11.11%
Breast Cancer: 2 people, 11.11%
Osteoporosis (bones weak and more likely to break): 2 people, 11.11%
Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 1 person, 5.56%
Heart Rate Irregular: 1 person, 5.56%
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, 5.56%
Cardiac Failure Chronic: 1 person, 5.56%
Cardiac Failure Congestive: 1 person, 5.56%
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 1 person, 5.56%
Diarrhea: 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Norco 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 Norco:

Norco (74,063 reports)

Bundle branch block left treatments and more:

Bundle branch block left (6,493 reports)

How severe was Bundle branch block left and when was it recovered:

Bundle branch block left in Norco

Expand to all the drugs that have ingredients of acetaminophen; hydrocodone bitartrate:

Bundle branch block left and drugs with ingredients of acetaminophen; hydrocodone bitartrate (220 reports)

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 Norco:

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

How the study uses the data?

The study uses data from the FDA. It is based on acetaminophen; hydrocodone bitartrate (the active ingredients of Norco) and Norco (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.