Propecia and Arthropathy - a phase IV clinical study of FDA data


Arthropathy is found among people who take Propecia, especially for people who are male, 20-29 old, have been taking the drug for 5 - 10 years.

The phase IV clinical study analyzes which people take Propecia and have Arthropathy. It is created by eHealthMe based on reports of 9,208 people who have side effects when taking Propecia from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Apr, 01, 2023

9,208 people reported to have side effects when taking Propecia.
Among them, 56 people (0.61%) have Arthropathy.

What is Propecia?

Propecia has active ingredients of finasteride. It is often used in hair loss. eHealthMe is studying from 9,546 Propecia users for its effectiveness, alternative drugs and more.

What is Arthropathy?

Arthropathy is found to be associated with 2,305 drugs and 1,632 conditions by eHealthMe.

Number of Propecia and Arthropathy reports submitted per year:

Could Propecia cause Arthropathy?

Time on Propecia when people have Arthropathy *:

  • < 1 month: 7.14 %
  • 1 - 6 months: 19.05 %
  • 6 - 12 months: 7.14 %
  • 1 - 2 years: 9.52 %
  • 2 - 5 years: 14.29 %
  • 5 - 10 years: 33.33 %
  • 10+ years: 9.52 %

Gender of people who have Arthropathy when taking Propecia *:

  • female: 1.79 %
  • male: 98.21 %

Age of people who have Arthropathy when taking Propecia *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 62.07 %
  • 30-39: 24.14 %
  • 40-49: 0.0 %
  • 50-59: 10.34 %
  • 60+: 3.45 %

Common drugs people take besides Propecia *:

  1. Proscar: 7 people, 12.50%
  2. Oxycontin: 5 people, 8.93%
  3. Finasteride: 4 people, 7.14%
  4. Fluoxetine: 2 people, 3.57%
  5. Lipitor: 2 people, 3.57%
  6. Nasacort: 1 person, 1.79%
  7. Androgel: 1 person, 1.79%
  8. Avalide: 1 person, 1.79%
  9. Baclofen: 1 person, 1.79%
  10. Cymbalta: 1 person, 1.79%

Common side effects people have besides Arthropathy *:

  1. Erection Problems: 49 people, 87.50%
  2. Depression: 44 people, 78.57%
  3. Stress And Anxiety: 38 people, 67.86%
  4. Cognitive Disorder (mental health disorders affects learning, memory, perception, and problem solving): 35 people, 62.50%
  5. Libido Decreased (loss of interest in sex): 34 people, 60.71%
  6. Memory Loss: 23 people, 41.07%
  7. Melanocytic Naevus (a type of lesion that contains nevus cells (a type of melanocyte)): 22 people, 39.29%
  8. Headache (pain in head): 21 people, 37.50%
  9. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 21 people, 37.50%
  10. Disturbance In Attention: 21 people, 37.50%

Common conditions people have *:

  1. Androgenetic Alopecia (common form of hair loss): 28 people, 50.00%
  2. High Blood Cholesterol: 2 people, 3.57%
  3. Stress And Anxiety: 1 person, 1.79%
  4. Osteoporosis (bones weak and more likely to break): 1 person, 1.79%
  5. Multiple Myeloma (cancer of the plasma cells): 1 person, 1.79%
  6. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 1.79%
  7. Hypersensitivity: 1 person, 1.79%
  8. High Blood Pressure: 1 person, 1.79%
  9. Emphysema (chronic respiratory disease - over inflation of the air sacs (alveoli) in the lungs): 1 person, 1.79%
  10. Deep Venous Thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis): 1 person, 1.79%

* Approximation only. Some reports may have incomplete information.

Do you take Propecia and have Arthropathy?

Check whether Arthropathy is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related publications that referenced our studies

Related studies

How severe was Arthropathy and when was it recovered:

Expand to all the drugs that have ingredients of finasteride:

Alternative drugs to, pros and cons of Propecia:

Common Propecia side effects:

Browse all side effects of Propecia:

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

Arthropathy treatments and more:

COVID vaccines that are related to Arthropathy:

Common drugs associated with Arthropathy:

All the drugs that are associated with Arthropathy:

Common conditions associated with Arthropathy:

All the conditions that are associated with Arthropathy:

How the study uses the data?

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

Who is eHealthMe?

With medical big data and proven AI 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 600+ 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: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on 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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