Proscar and Hyperthyroidism - a phase IV clinical study of FDA data

Summary:

Hyperthyroidism is reported as a side effect among people who take Proscar (finasteride), especially for people who are male, 60+ old, also take Multaq, and have Atrial fibrillation/flutter.

The phase IV clinical study analyzes which people have Hyperthyroidism when taking Proscar. It is created by eHealthMe based on reports of 13,025 people who have side effects when taking Proscar from the FDA, and is updated regularly.

What is Proscar?

Proscar has active ingredients of finasteride. It is often used in prostate examination abnormal. eHealthMe is studying from 13,379 Proscar users. Check the latest studies of Proscar.

What is Hyperthyroidism?

Hyperthyroidism (over activity of the thyroid gland) is found to be associated with 1,000 drugs and 1,436 conditions by eHealthMe. Check the latest studies of Hyperthyroidism.

On Jun, 12, 2026

13,025 people reported to have side effects when taking Proscar.
Among them, 14 people (0.11%) have Hyperthyroidism.

Among these 14 people:

What is the gender of people who have Hyperthyroidism when taking Proscar? *

female: 0.0 %
male: 100 %

What is the age of people who have Hyperthyroidism when taking Proscar? *

What are other drugs people take besides Proscar? *

Lansoprazole: 3 people, 21.43%
Cordarone: 3 people, 21.43%
Tamsulosin Hydrochloride: 3 people, 21.43%
Multaq: 3 people, 21.43%
Coumadin: 2 people, 14.29%
Lisinopril: 2 people, 14.29%
Zovirax: 1 person, 7.14%
Fioricet: 1 person, 7.14%
Epzicom: 1 person, 7.14%
Esgic: 1 person, 7.14%

What are other side effects people have besides Hyperthyroidism? *

Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 4 people, 28.57%
Gynecomastia (enlargement of the gland tissue of the male breast): 3 people, 21.43%
Fatigue (feeling of tiredness): 3 people, 21.43%
Depression: 1 person, 7.14%
Gait Disturbance: 1 person, 7.14%
Fear Of Disease: 1 person, 7.14%
Eosinophilia (eosinophil count in the peripheral blood exceeds): 1 person, 7.14%
Emotional Distress: 1 person, 7.14%
Emotional Disorder: 1 person, 7.14%
Dizziness: 1 person, 7.14%

What are the existing conditions these people have? *

Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 4 people, 28.57%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 2 people, 14.29%
Depression: 2 people, 14.29%
Drowsiness: 1 person, 7.14%
High Blood Pressure: 1 person, 7.14%
High Blood Cholesterol: 1 person, 7.14%
Headache (pain in head): 1 person, 7.14%
Haemolytic Anaemia (anaemia due to haemolysis): 1 person, 7.14%
Erection Problems: 1 person, 7.14%
Diverticulum (out pouching of a hollow (or a fluid-filled) structure in the body): 1 person, 7.14%

* Approximation only. Some reports may have incomplete information.

Do you take Proscar and have Hyperthyroidism?

- Check whether Hyperthyroidism 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 Proscar:

Proscar (13,379 reports)

Hyperthyroidism treatments and more:

Hyperthyroidism (26,832 reports)

Browse all side effects of Proscar:

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 Hyperthyroidism:

Hyperthyroidism (1,000 drugs)

Browse all the conditions that are associated with Hyperthyroidism:

Hyperthyroidism (1,436 conditions)

Related publications that referenced our studies

Fouda AM, Bazeed AM, "Hematuria and Hematospermia Associated with the Use of Finasteride for the Treatment of Androgenic Alopecia: A Case Report", Drug Safety-Case Reports, 2017 Dec .
Dulani S, Dulani R, Lele S, Diagavane S, Anjankar S, Jaiswal N, Subramaniam PS, Juneja R, "Chronic Subdural Haematoma in a Case of Hyperthyroidism Presenting with Papilledema", Chinese Medicine, 2012 Dec .
Fouda AM, Bazeed AM, "Hematuria and Hematospermia Associated with the Use of Finasteride for the Treatment of Androgenic Alopecia: A Case Report", Drug Safety-Case Reports, 2017 Dec .
Dulani S, Dulani R, Lele S, Diagavane S, Anjankar S, Jaiswal N, Subramaniam PS, Juneja R, "Chronic Subdural Haematoma in a Case of Hyperthyroidism Presenting with Papilledema", Chinese Medicine, 2012 Dec .

How the study uses the data?

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

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