Proscar and C. difficile colitis - a phase IV clinical study of FDA data

Summary:

C. difficile colitis is reported as a side effect among people who take Proscar (finasteride), especially for people who are male, 60+ old, also take Flomax, and have Osteoporosis.

The phase IV clinical study analyzes which people have C. difficile colitis 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 C. difficile colitis?

C. difficile colitis is found to be associated with 1,764 drugs and 1,789 conditions by eHealthMe. Check the latest studies of C. difficile colitis.

On Jun, 09, 2026

13,025 people reported to have side effects when taking Proscar.
Among them, 41 people (0.31%) have C. difficile colitis.

Could Proscar cause C. difficile colitis?

Among these 41 people:

What is the gender of people who have C. difficile colitis when taking Proscar? *

female: 2.5 %
male: 97.5 %

What is the age of people who have C. difficile colitis when taking Proscar? *

What are other drugs people take besides Proscar? *

What are other side effects people have besides C. difficile colitis? *

Dizziness: 33 people, 80.49%
Fall: 32 people, 78.05%
Depression: 30 people, 73.17%
Neuropathy Peripheral (surface nerve damage): 28 people, 68.29%
Weight Decreased: 27 people, 65.85%
Heart Attack: 27 people, 65.85%
Osteomyelitis (infection of bone): 24 people, 58.54%
Hypotension (abnormally low blood pressure): 20 people, 48.78%
Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 20 people, 48.78%
Weakness: 19 people, 46.34%

What are the existing conditions these people have? *

Osteoporosis (bones weak and more likely to break): 9 people, 21.95%
Multiple Myeloma (cancer of the plasma cells): 8 people, 19.51%
Chest Pain: 4 people, 9.76%
Wheezing (a high-pitched whistling sound made while you breath): 3 people, 7.32%
Barrett's Oesophagus (barrett's oesophagus is a disorder in which the lining of the oesophagus (the tube that carries food from the throat to the stomach) is damaged by stomach acid and changed to a lining similar to that of the stomach): 3 people, 7.32%
Dupuytren's Contracture (thickening of the fibrous tissue layer underneath the skin of the palm and fingers): 3 people, 7.32%
Emphysema (chronic respiratory disease - over inflation of the air sacs (alveoli) in the lungs): 3 people, 7.32%
Insomnia (sleeplessness): 3 people, 7.32%
Lower Urinary Tract Symptoms: 3 people, 7.32%
Acute Myeloid Leukaemia (acute cancer in which the bone marrow makes abnormal myeloblasts): 3 people, 7.32%

* Approximation only. Some reports may have incomplete information.

Do you take Proscar and have C. difficile colitis?

- Check whether C. difficile colitis 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)

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 C. difficile colitis:

C. difficile colitis (1,764 drugs)

Browse all the conditions that are associated with C. difficile colitis:

C. difficile colitis (1,789 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 .
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 .

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.