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

Summary:

Infertility is reported as a side effect among people who take Proscar (finasteride), especially for people who are male, 30-39 old, have been taking the drug for 1 - 2 years also take Propecia, and have Androgenetic alopecia.

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

Infertility is found to be associated with 179 drugs and 549 conditions by eHealthMe. Check the latest studies of Infertility.



On Aug, 04, 2026

13,025 people reported to have side effects when taking Proscar.
Among them, 13 people (0.1%) have Infertility.

Could Proscar cause Infertility?

Among these 13 people:

How long have people been on Proscar when they have Infertility? *

  • < 1 month: 12.5 %
  • 1 - 6 months: 12.5 %
  • 6 - 12 months: 12.5 %
  • 1 - 2 years: 37.5 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 12.5 %
  • 10+ years: 12.5 %

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

  • female: 0.0 %
  • male: 100 %

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

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 100 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 0.0 %

What are other drugs people take besides Proscar? *

  1. Propecia: 11 people, 84.62%
  2. Zoloft: 5 people, 38.46%
  3. Protonix: 2 people, 15.38%
  4. Paxil: 2 people, 15.38%
  5. Ultram: 1 person, 7.69%
  6. Finasteride: 1 person, 7.69%

What are other side effects people have besides Infertility? *

  1. Erection Problems: 12 people, 92.31%
  2. Stress And Anxiety: 9 people, 69.23%
  3. Depression: 9 people, 69.23%
  4. Hypogonadism (reduction or absence of hormone secretion or other physiological activity of the gonads (testes or ovaries)): 8 people, 61.54%
  5. Drug Administration Error: 7 people, 53.85%
  6. Joint Pain: 6 people, 46.15%
  7. Libido Decreased (loss of interest in sex): 6 people, 46.15%
  8. Back Pain: 6 people, 46.15%
  9. Testicular Failure (testicles cannot produce sperm or male hormones): 6 people, 46.15%
  10. Semen Volume Decreased: 5 people, 38.46%

What are the existing conditions these people have? *

  1. Androgenetic Alopecia (common form of hair loss): 8 people, 61.54%
  2. Premature Ejaculation: 3 people, 23.08%
  3. Erection Problems: 3 people, 23.08%
  4. Depression: 3 people, 23.08%
  5. Pollakiuria (abnormally frequent passage of relatively small quantities or urine): 2 people, 15.38%
  6. Hair Disorder: 2 people, 15.38%
  7. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 15.38%
  8. Depressed Mood: 2 people, 15.38%
  9. Joint Pain: 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

Do you take Proscar and have Infertility?

- Check whether Infertility 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:

Infertility treatments and more:

How severe was Infertility and when was it recovered:

Expand to all the drugs that have ingredients of finasteride:

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 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 Infertility:

Browse all the conditions that are associated with Infertility:

Related publications that referenced our studies


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.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.



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