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

Summary:

Bundle branch block is reported as a side effect among people who take Escitalopram (escitalopram oxalate), especially for people who are female, 30-39 old, have been taking the drug for < 1 month also take Aspirin, and have Poisoning deliberate.

The phase IV clinical study analyzes which people have Bundle branch block when taking Escitalopram. It is created by eHealthMe based on reports of 75,134 people who have side effects when taking Escitalopram from the FDA, and is updated regularly.

What is Escitalopram?

Escitalopram has active ingredients of escitalopram oxalate. It is often used in depression. eHealthMe is studying from 78,082 Escitalopram users. Check the latest studies of Escitalopram.

What is Bundle branch block?

Bundle branch block (disruption in the normal flow of electrical pulses that drive the heart beat) is found to be associated with 227 drugs and 397 conditions by eHealthMe. Check the latest studies of Bundle branch block.

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, 03, 2026

75,134 people reported to have side effects when taking Escitalopram.
Among them, 20 people (0.03%) have Bundle branch block.

Could Escitalopram cause Bundle branch block?

Among these 20 people:

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

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

female: 94.12 %
male: 5.88 %

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

What are other drugs people take besides Escitalopram? *

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

Hypotension (abnormally low blood pressure): 13 people, 65.00%
Drowsiness: 10 people, 50.00%
Sinus Bradycardia (an unusually slow heartbeat due to heart disease): 9 people, 45.00%
Poisoning Deliberate: 4 people, 20.00%
Heart Attack: 3 people, 15.00%
Serotonin Syndrome (occurs when two drugs that affect the body's level of serotonin are taken together at the same time): 3 people, 15.00%
Respiratory Acidosis (respiratory failure or ventilatory failure, causes the ph of blood and other bodily fluids to decrease): 2 people, 10.00%
Fatigue (feeling of tiredness): 2 people, 10.00%
Electrocardiogram Qt Prolonged: 2 people, 10.00%
Hyperhidrosis (abnormally increased sweating): 2 people, 10.00%

What are the existing conditions these people have? *

Poisoning Deliberate: 5 people, 25.00%
Coronary Heart Disease (narrowing or blockage of the coronary arteries): 2 people, 10.00%
Weight Decreased: 1 person, 5.00%
Tooth Abscess (pus formation in tooth): 1 person, 5.00%
Schizoaffective Disorder (a mental disorder characterized by disordered thought): 1 person, 5.00%
Oedema Peripheral (superficial swelling): 1 person, 5.00%
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): 1 person, 5.00%
Diabetes: 1 person, 5.00%
Dementia Alzheimer's Type (loss of mental ability with alzheimer's symptom): 1 person, 5.00%

* Approximation only. Some reports may have incomplete information.

Do you take Escitalopram and have Bundle branch block?

- Check whether Bundle branch block 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 Escitalopram:

Escitalopram (78,082 reports)

Browse all side effects of Escitalopram:

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:

Bundle branch block (227 drugs)

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

Bundle branch block (397 conditions)

Related publications that referenced our studies

O’Brien FE, O’Connor RM, Clarke G, Donovan MD, Dinan TG, Griffin BT, Cryan JF, "The P-glycoprotein inhibitor cyclosporin A differentially influences behavioural and neurochemical responses to the antidepressant escitalopram", Behavioural brain research, 2014 Mar .
O’Brien FE, O’Connor RM, Clarke G, Donovan MD, Dinan TG, Griffin BT, Cryan JF, "The P-glycoprotein inhibitor cyclosporin A differentially influences behavioural and neurochemical responses to the antidepressant escitalopram", Behavioural brain research, 2014 Mar .

How the study uses the data?

The study uses data from the FDA. It is based on escitalopram oxalate (the active ingredients of Escitalopram) and Escitalopram (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.