Amlodipine and Subclavian vein thrombosis - a phase IV clinical study of FDA data

Summary:

Subclavian vein thrombosis is reported as a side effect among people who take Amlodipine (amlodipine besylate), especially for people who are female, 60+ old, also take Tramadol, and have Pulmonary hypertension.

The phase IV clinical study analyzes which people have Subclavian vein thrombosis when taking Amlodipine. It is created by eHealthMe based on reports of 346,875 people who have side effects when taking Amlodipine from the FDA, and is updated regularly.

What is Amlodipine?

Amlodipine has active ingredients of amlodipine besylate. It is often used in high blood pressure. eHealthMe is studying from 354,830 Amlodipine users. Check the latest studies of Amlodipine.

What is Subclavian vein thrombosis?

Subclavian vein thrombosis (abnormal condition in which a clot develops within the subclavian or axillary vein) is found to be associated with 252 drugs and 375 conditions by eHealthMe. Check the latest studies of Subclavian vein thrombosis.

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, 26, 2026

346,875 people reported to have side effects when taking Amlodipine.
Among them, 21 people (0.01%) have Subclavian vein thrombosis.

Could Amlodipine cause Subclavian vein thrombosis?

Among these 21 people:

What is the gender of people who have Subclavian vein thrombosis when taking Amlodipine? *

female: 78.95 %
male: 21.05 %

What is the age of people who have Subclavian vein thrombosis when taking Amlodipine? *

What are other drugs people take besides Amlodipine? *

What are other side effects people have besides Subclavian vein thrombosis? *

Axillary Vein Thrombosis (formation of a blood clot in axillary vein): 7 people, 33.33%
Malaise (a feeling of general discomfort or uneasiness): 6 people, 28.57%
Rashes (redness): 4 people, 19.05%
Musculoskeletal Pain (pain affects the bones, muscles, ligaments, tendons, and nerves): 4 people, 19.05%
Dizziness: 4 people, 19.05%
Oxygen Saturation Decreased: 4 people, 19.05%
Catheter Site Pain: 4 people, 19.05%
Catheter Site Erythema (redness of skin at catheter site): 4 people, 19.05%
Fever: 4 people, 19.05%
Hyperhidrosis (abnormally increased sweating): 4 people, 19.05%

What are the existing conditions these people have? *

Pulmonary Hypertension (increase in blood pressure in the lung artery): 4 people, 19.05%
Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 2 people, 9.52%
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): 2 people, 9.52%
Breast Cancer: 2 people, 9.52%
Pain: 2 people, 9.52%
Haemolytic Uraemic Syndrome (blood clotting disease caused by e. coli infection, birth control pills, pneumonia, medications, and more): 1 person, 4.76%
Birth Control: 1 person, 4.76%
Cellulitis (infection under the skin): 1 person, 4.76%
Cellulitis Staphylococcal (a type of bacteria originated skin soft tissue infection): 1 person, 4.76%
Colon Cancer: 1 person, 4.76%

* Approximation only. Some reports may have incomplete information.

Do you take Amlodipine and have Subclavian vein thrombosis?

- Check whether Subclavian vein thrombosis 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 Amlodipine:

Amlodipine (354,830 reports)

Browse all side effects of Amlodipine:

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 Subclavian vein thrombosis:

Subclavian vein thrombosis (252 drugs)

Browse all the conditions that are associated with Subclavian vein thrombosis:

Subclavian vein thrombosis (375 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on amlodipine besylate (the active ingredients of Amlodipine) and Amlodipine (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.