Plavix and Canker sores - a phase IV clinical study of FDA data

Summary:

Canker sores is reported as a side effect among people who take Plavix (clopidogrel bisulfate), especially for people who are female, 60+ old, also take Cymbalta, and have Depression.

The phase IV clinical study analyzes which people have Canker sores when taking Plavix. It is created by eHealthMe based on reports of 147,094 people who have side effects when taking Plavix from the FDA, and is updated regularly.

What is Plavix?

Plavix has active ingredients of clopidogrel bisulfate. It is often used in stent. eHealthMe is studying from 151,179 Plavix users. Check the latest studies of Plavix.

What is Canker sores?

Canker sores (painful, open sore in the mouth) is found to be associated with 613 drugs and 1,230 conditions by eHealthMe. Check the latest studies of Canker sores.

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, 30, 2026

147,094 people reported to have side effects when taking Plavix.
Among them, 15 people (0.01%) have Canker sores.

Among these 15 people:

What is the gender of people who have Canker sores when taking Plavix? *

female: 61.54 %
male: 38.46 %

What is the age of people who have Canker sores when taking Plavix? *

What are other drugs people take besides Plavix? *

What are other side effects people have besides Canker sores? *

Rashes (redness): 6 people, 40.00%
Itching: 6 people, 40.00%
Fatigue (feeling of tiredness): 5 people, 33.33%
Stomatitis (inflammation of mucous membrane of mouth): 4 people, 26.67%
Headache (pain in head): 3 people, 20.00%
Dizziness: 3 people, 20.00%
Taste - Impaired: 3 people, 20.00%
Oral Pain: 2 people, 13.33%
Drug Ineffective: 2 people, 13.33%
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect): 2 people, 13.33%

What are the existing conditions these people have? *

Depression: 5 people, 33.33%
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): 4 people, 26.67%
Breast Cancer Metastatic: 2 people, 13.33%
Waldenstrom's Macroglobulinaemia (cancer affects small lymphocytes (white blood cells)): 1 person, 6.67%
Hyperlipidaemia (presence of excess lipids in the blood): 1 person, 6.67%
Carcinoid Tumor Pulmonary: 1 person, 6.67%
Diabetes: 1 person, 6.67%
Endocrine Ophthalmopathy (increased water content of retroocular orbital tissues; associated with thyroid disease, usually hyperthyroidism): 1 person, 6.67%
Gastritis (inflammation of stomach): 1 person, 6.67%
Hypersensitivity: 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Plavix and have Canker sores?

- Check whether Canker sores 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 Plavix:

Plavix (151,179 reports)

Canker sores treatments and more:

Canker sores (9,953 reports)

Browse all side effects of Plavix:

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 Canker sores:

Canker sores (613 drugs)

Browse all the conditions that are associated with Canker sores:

Canker sores (1,230 conditions)

How the study uses the data?

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