Thiamine and Mental disorder - a phase IV clinical study of FDA data

Summary:

Mental disorder is reported as a side effect among people who take Thiamine (thiamine (vitamin b1)), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Abilify, and have Post-traumatic stress disorder.

The phase IV clinical study analyzes which people have Mental disorder 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 Mental disorder?

Mental disorder (a psychological term for a mental or behavioural pattern or anomaly that causes distress or disability) is found to be associated with 1,649 drugs and 1,714 conditions by eHealthMe. Check the latest studies of Mental disorder.

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 Sep, 02, 2026

10,941 people reported to have side effects when taking Thiamine.
Among them, 50 people (0.46%) have Mental disorder.

Among these 50 people:

How long have people been on Thiamine when they have Mental disorder? *

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

female: 69.05 %
male: 30.95 %

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

What are other drugs people take besides Thiamine? *

What are other side effects people have besides Mental disorder? *

Suicidal Ideation: 16 people, 32.00%
Stress And Anxiety: 11 people, 22.00%
Nightmares (unpleasant dreams): 10 people, 20.00%
Depression: 8 people, 16.00%
Osteoporosis (bones weak and more likely to break): 8 people, 16.00%
High Blood Pressure: 7 people, 14.00%
Pain: 7 people, 14.00%
Memory Loss: 7 people, 14.00%
Fall: 7 people, 14.00%
Cough: 6 people, 12.00%

What are the existing conditions these people have? *

Post-Traumatic Stress Disorder: 11 people, 22.00%
Bipolar Disorder (mood disorder): 9 people, 18.00%
Stress And Anxiety: 8 people, 16.00%
Depression: 7 people, 14.00%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 5 people, 10.00%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 5 people, 10.00%
Psoriasis (immune-mediated disease that affects the skin): 5 people, 10.00%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 5 people, 10.00%
Sleep Disorder: 4 people, 8.00%
High Blood Cholesterol: 4 people, 8.00%

* Approximation only. Some reports may have incomplete information.

Do you take Thiamine and have Mental disorder?

- Check whether Mental disorder 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)

Mental disorder treatments and more:

Mental disorder (60,610 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 Mental disorder:

Mental disorder (1,649 drugs)

Browse all the conditions that are associated with Mental disorder:

Mental disorder (1,714 conditions)

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.