Hydroxyurea and Fever - a phase IV clinical study of FDA data

Summary:

Fever is reported as a side effect among people who take Hydroxyurea (hydroxyurea), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Exjade, and have Primary myelofibrosis.

The phase IV clinical study analyzes which people have Fever when taking Hydroxyurea. It is created by eHealthMe based on reports of 16,937 people who have side effects when taking Hydroxyurea from the FDA, and is updated regularly.

What is Hydroxyurea?

Hydroxyurea has active ingredients of hydroxyurea. It is often used in polycythemia vera. eHealthMe is studying from 17,238 Hydroxyurea users. Check the latest studies of Hydroxyurea.

What is Fever?

Fever is found to be associated with 3,490 drugs and 6,159 conditions by eHealthMe. Check the latest studies of Fever.

On Jan, 27, 2026

16,937 people reported to have side effects when taking Hydroxyurea.
Among them, 914 people (5.4%) have Fever.

Among these 914 people:

* Approximation only. Some reports may have incomplete information.

Do you take Hydroxyurea and have Fever?

- Check whether Fever 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 Hydroxyurea:

Hydroxyurea (17,238 reports)

Fever treatments and more:

Fever (498,662 reports)

How severe was Fever and when was it recovered:

Fever in Hydroxyurea

Expand to all the drugs that have ingredients of hydroxyurea:

Fever and drugs with ingredients of hydroxyurea (1,563 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+

Common Hydroxyurea side effects:

Browse all side effects of Hydroxyurea:

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

Common drugs associated with Fever:

Browse all the drugs that are associated with Fever:

Fever (3,490 drugs)

Common conditions associated with Fever:

Arthritis - rheumatoid: 27,612 reports
Multiple sclerosis aggravated: 20,065 reports
Hypertension: 16,478 reports
Blood pressure increased: 16,380 reports
Regional enteritis: 14,102 reports
Plasma cell dyscrasia: 12,143 reports
Pain: 12,055 reports
Alternative medicine - pain relief: 11,762 reports
Asthma: 9,798 reports
Bronchial asthma: 9,742 reports

Browse all the conditions that are associated with Fever:

Fever (6,159 conditions)

Related publications that referenced our studies

Schiller D, Maieron A, Sch?fl R, Donnerer J, "Drug fever due to a single dose of pantoprazole", Pharmacology, 2015 Jan .
Schiller D, Maieron A, Sch?fl R, Donnerer J, "Drug fever due to a single dose of pantoprazole", Pharmacology, 2015 Jan .

How the study uses the data?

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