Thiamine and Thrombocytopenia - a phase IV clinical study of FDA data

Summary:

Thrombocytopenia is reported as a side effect among people who take Thiamine (thiamine (vitamin b1)), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Pantoprazole, and have High blood pressure.

The phase IV clinical study analyzes which people have Thrombocytopenia when taking Thiamine. It is created by eHealthMe based on reports of 10,941 people who have side effects when taking Thiamine from the FDA, and is updated regularly.

What is Thiamine?

Thiamine has active ingredients of thiamine (vitamin b1). eHealthMe is studying from 11,036 Thiamine users. Check the latest studies of Thiamine.

What is Thrombocytopenia?

Thrombocytopenia (decrease of platelets in blood) is found to be associated with 2,791 drugs and 4,873 conditions by eHealthMe. Check the latest studies of Thrombocytopenia.

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, 18, 2026

10,941 people reported to have side effects when taking Thiamine.
Among them, 351 people (3.21%) have Thrombocytopenia.

Among these 351 people:

* Approximation only. Some reports may have incomplete information.

Do you take Thiamine and have Thrombocytopenia?

- Check whether Thrombocytopenia 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 Thiamine:

Thiamine (11,036 reports)

Thrombocytopenia treatments and more:

Thrombocytopenia (285,083 reports)

How severe was Thrombocytopenia and when was it recovered:

Thrombocytopenia in Thiamine

Expand to all the drugs that have ingredients of thiamine (vitamin b1):

Thrombocytopenia and drugs with ingredients of thiamine (vitamin b1) (365 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 Thiamine:

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 Thrombocytopenia:

Thrombocytopenia (2,791 drugs)

Browse all the conditions that are associated with Thrombocytopenia:

Thrombocytopenia (4,873 conditions)

Related publications that referenced our studies

YavasogluI, I., TurgutkayaII, A., & BolamanIII, Z., "Chlorella-induced thrombocytopenia", DATA, 2018 Jan .
Rasmy A, Rahal M, Kisana M, Ahmad S, Salah A, "Morphine induced thrombocytopenia: A case report", Journal of Case Reports and Images in Oncology, 2015 Dec .
Onder H, Arsava EM, Arat A, Topcuoglu MA, "Acute middle cerebral artery occlusion treated by thrombectomy in a patient with myelodysplastic syndrome and severe thrombocytopenia", Journal of vascular and interventional neurology, 2015 Jan .
YavasogluI, I., TurgutkayaII, A., & BolamanIII, Z., "Chlorella-induced thrombocytopenia", DATA, 2018 Jan .
Rasmy A, Rahal M, Kisana M, Ahmad S, Salah A, "Morphine induced thrombocytopenia: A case report", Journal of Case Reports and Images in Oncology, 2015 Dec .
Onder H, Arsava EM, Arat A, Topcuoglu MA, "Acute middle cerebral artery occlusion treated by thrombectomy in a patient with myelodysplastic syndrome and severe thrombocytopenia", Journal of vascular and interventional neurology, 2015 Jan .

How the study uses the data?

The study uses data from the FDA. It is based on thiamine (vitamin b1) (the active ingredients of Thiamine) and Thiamine (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.