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

Summary:

Angioedema 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 Amlodipine, and have High blood pressure.

The phase IV clinical study analyzes which people have Angioedema 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 Angioedema?

Angioedema (rapid swelling of the dermis) is found to be associated with 1,197 drugs and 2,090 conditions by eHealthMe. Check the latest studies of Angioedema.

On Jul, 13, 2026

10,941 people reported to have side effects when taking Thiamine.
Among them, 70 people (0.64%) have Angioedema.

Among these 70 people:

How long have people been on Thiamine when they have Angioedema? *

What is the gender of people who have Angioedema when taking Thiamine? *

female: 31.25 %
male: 68.75 %

What is the age of people who have Angioedema when taking Thiamine? *

What are other drugs people take besides Thiamine? *

What are other side effects people have besides Angioedema? *

Swelling: 8 people, 11.43%
Itching: 6 people, 8.57%
Nausea And Vomiting: 5 people, 7.14%
Swelling Face: 5 people, 7.14%
Urticaria (rash of round, red welts on the skin that itch intensely): 4 people, 5.71%
Nausea (feeling of having an urge to vomit): 4 people, 5.71%
Anaemia (lack of blood): 4 people, 5.71%
Swallowing Difficulty: 4 people, 5.71%
Hoarseness Or Changing Voice: 4 people, 5.71%
Dyspnea (difficult or laboured breathing): 4 people, 5.71%

What are the existing conditions these people have? *

High Blood Pressure: 28 people, 40.00%
Psychotic Disorder: 11 people, 15.71%
Hiv Infection: 9 people, 12.86%
Aggression: 7 people, 10.00%
Confusional State: 7 people, 10.00%
Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 5 people, 7.14%
Sedation: 4 people, 5.71%
Essential Hypertension (primary hypertension): 3 people, 4.29%
Paraneoplastic Syndrome (symptom that is the consequence of the presence of cancer in the body): 3 people, 4.29%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 3 people, 4.29%

* Approximation only. Some reports may have incomplete information.

Do you take Thiamine and have Angioedema?

- Check whether Angioedema 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)

Angioedema treatments and more:

Angioedema (44,989 reports)

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 Angioedema:

Angioedema (1,197 drugs)

Browse all the conditions that are associated with Angioedema:

Angioedema (2,090 conditions)

Related publications that referenced our studies

Banaga, Y., Mohmmed, K., Mustafa, H., & Barrett, J, "Angioedema 2 months after Administration of Rivaroxaban (Xarelto)", J Clin Case Rep, 2014 Jan .
Banaga, Y., Mohmmed, K., Mustafa, H., & Barrett, J, "Angioedema 2 months after Administration of Rivaroxaban (Xarelto)", J Clin Case Rep, 2014 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.