Niacin and Thyroid function test abnormal - a phase IV clinical study of FDA data

Summary:

Thyroid function test abnormal is reported as a side effect among people who take Niacin (niacin), especially for people who are female, 60+ old, also take Fish Oil, and have Hypothyroidism.

The phase IV clinical study analyzes which people have Thyroid function test abnormal when taking Niacin. It is created by eHealthMe based on reports of 7,974 people who have side effects when taking Niacin from the FDA, and is updated regularly.

What is Niacin?

Niacin has active ingredients of niacin. It is often used in high blood cholesterol. eHealthMe is studying from 9,008 Niacin users. Check the latest studies of Niacin.

What is Thyroid function test abnormal?

Thyroid function test abnormal is found to be associated with 1,636 drugs and 1,601 conditions by eHealthMe. Check the latest studies of Thyroid function test abnormal.

On May, 07, 2026

7,974 people reported to have side effects when taking Niacin.
Among them, 17 people (0.21%) have Thyroid function test abnormal.

Could Niacin cause Thyroid function test abnormal?

Among these 17 people:

What is the gender of people who have Thyroid function test abnormal when taking Niacin? *

female: 88.24 %
male: 11.76 %

What is the age of people who have Thyroid function test abnormal when taking Niacin? *

What are other drugs people take besides Niacin? *

What are other side effects people have besides Thyroid function test abnormal? *

Headache (pain in head): 7 people, 41.18%
Muscle Aches (muscle pain): 6 people, 35.29%
Osteoporosis (bones weak and more likely to break): 6 people, 35.29%
Fatigue (feeling of tiredness): 6 people, 35.29%
Diabetes: 6 people, 35.29%
Transient Ischaemic Attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow)): 5 people, 29.41%
Muscle Spasms (muscle contraction): 5 people, 29.41%
Weakness: 5 people, 29.41%
Sinusitis (inflammation of sinus): 5 people, 29.41%
Malaise (a feeling of general discomfort or uneasiness): 5 people, 29.41%

What are the existing conditions these people have? *

Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 6 people, 35.29%
Diabetes: 5 people, 29.41%
Hyperlipidaemia (presence of excess lipids in the blood): 5 people, 29.41%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 4 people, 23.53%
Quit Smoking: 3 people, 17.65%
Sleep Disorder: 3 people, 17.65%
Dyslipidaemia (abnormal amount of lipids): 2 people, 11.76%
Headache (pain in head): 2 people, 11.76%
Gait Disturbance: 1 person, 5.88%
Balance Disorder: 1 person, 5.88%

* Approximation only. Some reports may have incomplete information.

Do you take Niacin and have Thyroid function test abnormal?

- Check whether Thyroid function test abnormal 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 Niacin:

Niacin (9,008 reports)

Browse all side effects of Niacin:

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 Thyroid function test abnormal:

Thyroid function test abnormal (1,636 drugs)

Browse all the conditions that are associated with Thyroid function test abnormal:

Thyroid function test abnormal (1,601 conditions)

Related publications that referenced our studies

Loebl T, Raskin S, "A novel case report: acute manic psychotic episode after treatment with niacin", The Journal of neuropsychiatry and clinical neurosciences, 2013 Jan .
Loebl T, Raskin S, "A novel case report: acute manic psychotic episode after treatment with niacin", The Journal of neuropsychiatry and clinical neurosciences, 2013 Jan .

How the study uses the data?

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