Tamsulosin and Retrograde ejaculation - a phase IV clinical study of FDA data

Summary:

Retrograde ejaculation is reported as a side effect among people who take Tamsulosin (tamsulosin), especially for people who are 60+ old, have been taking the drug for < 1 month also take Zoloft, and have Prostatic adenoma.

The phase IV clinical study analyzes which people have Retrograde ejaculation when taking Tamsulosin. It is created by eHealthMe based on reports of 70,950 people who have side effects when taking Tamsulosin from the FDA, and is updated regularly.

What is Tamsulosin?

Tamsulosin has active ingredients of tamsulosin. It is often used in prostate examination abnormal. eHealthMe is studying from 72,636 Tamsulosin users. Check the latest studies of Tamsulosin.

What is Retrograde ejaculation?

Retrograde ejaculation (entry of semen into the bladder instead of going out through the urethra during ejaculation) is found to be associated with 42 drugs and 249 conditions by eHealthMe. Check the latest studies of Retrograde ejaculation.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Sep, 02, 2026

70,950 people reported to have side effects when taking Tamsulosin.
Among them, 64 people (0.09%) have Retrograde ejaculation.

Could Tamsulosin cause Retrograde ejaculation?

Among these 64 people:

How long have people been on Tamsulosin when they have Retrograde ejaculation? *

What is the age of people who have Retrograde ejaculation when taking Tamsulosin? *

What are other drugs people take besides Tamsulosin? *

What are other side effects people have besides Retrograde ejaculation? *

Depressed Mood: 10 people, 15.62%
Ejaculation Disorder: 10 people, 15.62%
Fatigue (feeling of tiredness): 10 people, 15.62%
Floppy Iris Syndrome (poor responsive iris): 8 people, 12.50%
Cushing's Syndrome (obesity, a rounded face, increased fat): 5 people, 7.81%
Gynecomastia (enlargement of the gland tissue of the male breast): 4 people, 6.25%
Ejaculation Failure: 4 people, 6.25%
Painful Ejaculation: 3 people, 4.69%
Erection Problems: 1 person, 1.56%
Acute Kidney Failure: 1 person, 1.56%

What are the existing conditions these people have? *

Prostatic Adenoma (prostatic non-cancerous tumour): 10 people, 15.62%
Lower Urinary Tract Symptoms: 8 people, 12.50%
Rashes (redness): 5 people, 7.81%
Hiv Infection: 4 people, 6.25%
Kidney Stones: 3 people, 4.69%
Micturition Disorder (disease of passing urine): 2 people, 3.12%
Urinary Tract Disorder: 2 people, 3.12%
Asymptomatic Hiv Infection: 2 people, 3.12%
Blood Cholesterol Decreased: 1 person, 1.56%
Cough: 1 person, 1.56%

* Approximation only. Some reports may have incomplete information.

Do you take Tamsulosin and have Retrograde ejaculation?

- Check whether Retrograde ejaculation 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 Tamsulosin:

Tamsulosin (72,636 reports)

Browse all side effects of Tamsulosin:

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 Retrograde ejaculation:

Retrograde ejaculation (42 drugs)

Browse all the conditions that are associated with Retrograde ejaculation:

Retrograde ejaculation (249 conditions)

How the study uses the data?

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