Catapres and Osteomalacia - a phase IV clinical study of FDA data

Summary:

Osteomalacia is reported as a side effect among people who take Catapres (clonidine hydrochloride), especially for people who are female, 60+ old, also take Aredia, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Osteomalacia when taking Catapres. It is created by eHealthMe based on reports of 6,532 people who have side effects when taking Catapres from the FDA, and is updated regularly.

What is Catapres?

Catapres has active ingredients of clonidine hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 6,680 Catapres users. Check the latest studies of Catapres.

What is Osteomalacia?

Osteomalacia (softening of the bones due to a lack of vitamin d) is found to be associated with 240 drugs and 282 conditions by eHealthMe. Check the latest studies of Osteomalacia.

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, 01, 2026

6,532 people reported to have side effects when taking Catapres.
Among them, 11 people (0.17%) have Osteomalacia.

Among these 11 people:

What is the gender of people who have Osteomalacia when taking Catapres? *

female: 100 %
male: 0.0 %

What is the age of people who have Osteomalacia when taking Catapres? *

What are other drugs people take besides Catapres? *

What are other side effects people have besides Osteomalacia? *

Weakness: 11 people, 100.00%
Osteopenia (a condition where bone mineral density is lower than normal): 11 people, 100.00%
Osteomyelitis Chronic (long lasting infection of bone marrow): 11 people, 100.00%
Fever: 11 people, 100.00%
Optic Nerve Cupping (the size of the depression in the middle of the nerve when viewed from the front of the eye): 11 people, 100.00%
Oedema Peripheral (superficial swelling): 11 people, 100.00%
Obstructive Airways Disorder (a progressive disease that makes it hard to breathe): 11 people, 100.00%
Neuropathy Peripheral (surface nerve damage): 11 people, 100.00%
Neuralgia (pain in one or more nerves): 11 people, 100.00%
Cervical Spinal Stenosis (narrowing of the spinal canal in the neck): 11 people, 100.00%

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 11 people, 100.00%
Febrile Neutropenia (fever with reduced white blood cells): 5 people, 45.45%
Breast Cancer Metastatic: 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Catapres and have Osteomalacia?

- Check whether Osteomalacia 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 Catapres:

Catapres (6,680 reports)

Osteomalacia treatments and more:

Osteomalacia (2,676 reports)

Browse all side effects of Catapres:

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 Osteomalacia:

Osteomalacia (240 drugs)

Browse all the conditions that are associated with Osteomalacia:

Osteomalacia (282 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on clonidine hydrochloride (the active ingredients of Catapres) and Catapres (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.