Clopidogrel and Retinal vessel occlusion - a phase IV clinical study of FDA data

Summary:

Retinal vessel occlusion is reported as a side effect among people who take Clopidogrel (clopidogrel), especially for people who are male, 60+ old, have been taking the drug for 1 - 2 years also take Acetylsalicylic Acid, and have High blood pressure.

The phase IV clinical study analyzes which people have Retinal vessel occlusion when taking Clopidogrel. It is created by eHealthMe based on reports of 91,038 people who have side effects when taking Clopidogrel from the FDA, and is updated regularly.

What is Clopidogrel?

Clopidogrel has active ingredients of clopidogrel. It is often used in blood clots. eHealthMe is studying from 92,160 Clopidogrel users. Check the latest studies of Clopidogrel.

What is Retinal vessel occlusion?

Retinal vessel occlusion (a blockage in one of the small arteries) is found to be associated with 469 drugs and 830 conditions by eHealthMe. Check the latest studies of Retinal vessel occlusion.

On Jul, 09, 2026

91,038 people reported to have side effects when taking Clopidogrel.
Among them, 43 people (0.05%) have Retinal vessel occlusion.

Could Clopidogrel cause Retinal vessel occlusion?

Among these 43 people:

How long have people been on Clopidogrel when they have Retinal vessel occlusion? *

What is the gender of people who have Retinal vessel occlusion when taking Clopidogrel? *

female: 42.5 %
male: 57.5 %

What is the age of people who have Retinal vessel occlusion when taking Clopidogrel? *

What are other drugs people take besides Clopidogrel? *

What are other side effects people have besides Retinal vessel occlusion? *

Headache (pain in head): 8 people, 18.60%
Respiratory Depression (respiration has a rate below 12 breaths): 8 people, 18.60%
Brain Oedema (excess accumulation of fluid in the intracellular or extracellular spaces of the brain): 8 people, 18.60%
Cerebral Infarction (less blood supply to brain resulting tissue damage): 8 people, 18.60%
Consciousness - Decreased: 8 people, 18.60%
Disease Progression: 8 people, 18.60%
Hemiparesis (weakness on one side of the body): 8 people, 18.60%
Pituitary Tumor Benign: 8 people, 18.60%
Amaurosis (partial or total blindness without visible change in the eye): 8 people, 18.60%
Pituitary Haemorrhage: 7 people, 16.28%

What are the existing conditions these people have? *

High Blood Pressure: 6 people, 13.95%
High Blood Cholesterol: 4 people, 9.30%
Hypovitaminosis (any of several diseases caused by deficiency of one or more vitamins): 4 people, 9.30%
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): 3 people, 6.98%
Inflammation: 2 people, 4.65%
Anaemia (lack of blood): 2 people, 4.65%
Carotid Artery Stenosis (narrowing of carotid artery): 2 people, 4.65%
Coronary Heart Disease (narrowing or blockage of the coronary arteries): 2 people, 4.65%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 2 people, 4.65%
Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 2 people, 4.65%

* Approximation only. Some reports may have incomplete information.

Do you take Clopidogrel and have Retinal vessel occlusion?

- Check whether Retinal vessel occlusion 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 Clopidogrel:

Clopidogrel (92,160 reports)

Browse all side effects of Clopidogrel:

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 Retinal vessel occlusion:

Retinal vessel occlusion (469 drugs)

Browse all the conditions that are associated with Retinal vessel occlusion:

Retinal vessel occlusion (830 conditions)

Related publications that referenced our studies

How the study uses the data?

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