Testosterone cypionate and Drowsiness - a phase IV clinical study of FDA data

Summary:

Drowsiness is reported as a side effect among people who take Testosterone cypionate (testosterone cypionate), especially for people who are male, 60+ old, have been taking the drug for 1 - 2 years also take Vitamin D3, and have Immunodeficiency common variable.

The phase IV clinical study analyzes which people have Drowsiness when taking Testosterone cypionate. It is created by eHealthMe based on reports of 1,495 people who have side effects when taking Testosterone cypionate from the FDA, and is updated regularly.

What is Testosterone cypionate?

Testosterone cypionate has active ingredients of testosterone cypionate. It is often used in testosterone. eHealthMe is studying from 1,926 Testosterone cypionate users. Check the latest studies of Testosterone cypionate.

What is Drowsiness?

Drowsiness is found to be associated with 2,866 drugs and 4,796 conditions by eHealthMe. Check the latest studies of Drowsiness.

On Apr, 10, 2026

1,495 people reported to have side effects when taking Testosterone cypionate.
Among them, 31 people (2.07%) have Drowsiness.

Could Testosterone cypionate cause Drowsiness?

Among these 31 people:

How long have people been on Testosterone cypionate when they have Drowsiness? *

What is the gender of people who have Drowsiness when taking Testosterone cypionate? *

female: 0.0 %
male: 100 %

What is the age of people who have Drowsiness when taking Testosterone cypionate? *

What are other drugs people take besides Testosterone cypionate? *

What are other side effects people have besides Drowsiness? *

Chest Pain: 7 people, 22.58%
Rashes (redness): 7 people, 22.58%
Fatigue (feeling of tiredness): 6 people, 19.35%
Weight Fluctuation: 5 people, 16.13%
Infection: 5 people, 16.13%
Lung Disorder (lung disease): 5 people, 16.13%
Injury: 5 people, 16.13%
Infusion Site Scar: 5 people, 16.13%
Infusion Site Pain: 5 people, 16.13%
Infusion Site Mass: 5 people, 16.13%

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 5 people, 16.13%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 4 people, 12.90%
Asthma: 3 people, 9.68%
Blood Testosterone Decreased: 2 people, 6.45%
Sleep Disorder: 2 people, 6.45%
Stress And Anxiety: 1 person, 3.23%
Gigantism (excessive growth and height): 1 person, 3.23%
Affective Disorder (mental disorder): 1 person, 3.23%
Blood Glucose Fluctuation: 1 person, 3.23%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 1 person, 3.23%

* Approximation only. Some reports may have incomplete information.

Do you take Testosterone cypionate and have Drowsiness?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Testosterone cypionate:

Testosterone cypionate (1,926 reports)

Drowsiness treatments and more:

Drowsiness (269,040 reports)

Browse all side effects of Testosterone cypionate:

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 Drowsiness:

Drowsiness (2,866 drugs)

Browse all the conditions that are associated with Drowsiness:

Drowsiness (4,796 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on testosterone cypionate (the active ingredients of Testosterone cypionate) and Testosterone cypionate (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.