Ketoconazole and Leukocytosis - a phase IV clinical study of FDA data

Summary:

Leukocytosis is reported as a side effect among people who take Ketoconazole (ketoconazole), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Aspirin, and have Gastroesophageal reflux disease.

The phase IV clinical study analyzes which people have Leukocytosis when taking Ketoconazole. It is created by eHealthMe based on reports of 15,751 people who have side effects when taking Ketoconazole from the FDA, and is updated regularly.

What is Ketoconazole?

Ketoconazole has active ingredients of ketoconazole. It is often used in fungal infection. eHealthMe is studying from 16,014 Ketoconazole users. Check the latest studies of Ketoconazole.

What is Leukocytosis?

Leukocytosis (increased white blood cells) is found to be associated with 1,334 drugs and 1,779 conditions by eHealthMe. Check the latest studies of Leukocytosis.

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 Aug, 31, 2026

15,751 people reported to have side effects when taking Ketoconazole.
Among them, 26 people (0.17%) have Leukocytosis.

Among these 26 people:

How long have people been on Ketoconazole when they have Leukocytosis? *

What is the gender of people who have Leukocytosis when taking Ketoconazole? *

female: 32 %
male: 68 %

What is the age of people who have Leukocytosis when taking Ketoconazole? *

What are other drugs people take besides Ketoconazole? *

What are other side effects people have besides Leukocytosis? *

Fever: 11 people, 42.31%
Thrombocytopenia (decrease of platelets in blood): 9 people, 34.62%
Pleural Effusion (water on the lungs): 9 people, 34.62%
Pneumonia: 9 people, 34.62%
Acute Kidney Failure: 9 people, 34.62%
General Physical Health Deterioration (weak health status): 8 people, 30.77%
Hyperkalemia (damage to or disease of the kidney): 8 people, 30.77%
Hypotension (abnormally low blood pressure): 8 people, 30.77%
Cellulitis (infection under the skin): 7 people, 26.92%
Back Pain: 7 people, 26.92%

What are the existing conditions these people have? *

Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 7 people, 26.92%
Pain: 5 people, 19.23%
Acute Myeloid Leukaemia (acute cancer in which the bone marrow makes abnormal myeloblasts): 4 people, 15.38%
Type 2 Diabetes: 4 people, 15.38%
Hot Flush (sudden feelings of heat): 4 people, 15.38%
High Blood Cholesterol: 4 people, 15.38%
Immunodeficiency Disorders: 3 people, 11.54%
High Blood Pressure: 3 people, 11.54%
Depression: 3 people, 11.54%
Constipation: 3 people, 11.54%

* Approximation only. Some reports may have incomplete information.

Do you take Ketoconazole and have Leukocytosis?

- Check whether Leukocytosis 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 Ketoconazole:

Ketoconazole (16,014 reports)

Leukocytosis treatments and more:

Leukocytosis (22,918 reports)

Browse all side effects of Ketoconazole:

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 Leukocytosis:

Leukocytosis (1,334 drugs)

Browse all the conditions that are associated with Leukocytosis:

Leukocytosis (1,779 conditions)

Related publications that referenced our studies

Khan A, Yasin Z, "Hyperleukocytosis Caused By Neulasta Complicated By Leukostasis Versus Asymptomatic Uncomplicated Hyperleukocytosis In AML. Two Cases and When To Leukapherese.", Am Soc Hematology, 2017 Jan .
Khan A, Yasin Z, "Hyperleukocytosis Caused By Neulasta Complicated By Leukostasis Versus Asymptomatic Uncomplicated Hyperleukocytosis In AML. Two Cases and When To Leukapherese.", Am Soc Hematology, 2017 Jan .

How the study uses the data?

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