Cardura and Insomnia - a phase IV clinical study of FDA data

Summary:

Insomnia is reported as a side effect among people who take Cardura (doxazosin mesylate), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Xanax, and have Pain.

The phase IV clinical study analyzes which people have Insomnia when taking Cardura. It is created by eHealthMe based on reports of 20,021 people who have side effects when taking Cardura from the FDA, and is updated regularly.

What is Cardura?

Cardura has active ingredients of doxazosin mesylate. It is often used in high blood pressure. eHealthMe is studying from 20,379 Cardura users. Check the latest studies of Cardura.

What is Insomnia?

Insomnia (sleeplessness) is found to be associated with 3,119 drugs and 5,159 conditions by eHealthMe. Check the latest studies of Insomnia.

On Apr, 15, 2026

20,021 people reported to have side effects when taking Cardura.
Among them, 300 people (1.5%) have Insomnia.

Among these 300 people:

* Approximation only. Some reports may have incomplete information.

Do you take Cardura and have Insomnia?

- Check whether Insomnia 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 Cardura:

Cardura (20,379 reports)

Insomnia treatments and more:

Insomnia (438,061 reports)

How severe was Insomnia and when was it recovered:

Insomnia in Cardura

Expand to all the drugs that have ingredients of doxazosin mesylate:

Insomnia and drugs with ingredients of doxazosin mesylate (765 reports)

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 Cardura:

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 Insomnia:

Insomnia (3,119 drugs)

Browse all the conditions that are associated with Insomnia:

Insomnia (5,159 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on doxazosin mesylate (the active ingredients of Cardura) and Cardura (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.