Ketoconazole and White blood cell count increased - a phase IV clinical study of FDA data

Summary:

White blood cell count increased 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 Polycythaemia vera.

The phase IV clinical study analyzes which people have White blood cell count increased 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 White blood cell count increased?

White blood cell count increased is found to be associated with 1,788 drugs and 2,651 conditions by eHealthMe. Check the latest studies of White blood cell count increased.

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

15,751 people reported to have side effects when taking Ketoconazole.
Among them, 50 people (0.32%) have White blood cell count increased.

Could Ketoconazole cause White blood cell count increased?

Among these 50 people:

How long have people been on Ketoconazole when they have White blood cell count increased? *

What is the gender of people who have White blood cell count increased when taking Ketoconazole? *

female: 45.45 %
male: 54.55 %

What is the age of people who have White blood cell count increased when taking Ketoconazole? *

What are other drugs people take besides Ketoconazole? *

What are other side effects people have besides White blood cell count increased? *

Weakness: 19 people, 38.00%
Fever: 15 people, 30.00%
Fatigue (feeling of tiredness): 14 people, 28.00%
Tremor (trembling or shaking movements in one or more parts of your body): 12 people, 24.00%
Drowsiness: 11 people, 22.00%
Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 11 people, 22.00%
Itching: 10 people, 20.00%
Drug Ineffective: 10 people, 20.00%
Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure): 9 people, 18.00%
Pain: 9 people, 18.00%

What are the existing conditions these people have? *

Polycythaemia Vera (blood disorder in which the bone marrow makes too many red blood cells): 7 people, 14.00%
Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 5 people, 10.00%
Psoriasis (immune-mediated disease that affects the skin): 4 people, 8.00%
Immunodeficiency Common Variable: 4 people, 8.00%
Pain: 4 people, 8.00%
Folliculitis (infection of hair root): 4 people, 8.00%
Trichophytosis (a disease of the skin, nails, or hair caused by fungi): 4 people, 8.00%
Hidradenitis (chronic disease of a type of sweat gland): 3 people, 6.00%
Primary Immunodeficiency Syndrome: 2 people, 4.00%
Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure): 2 people, 4.00%

* Approximation only. Some reports may have incomplete information.

Do you take Ketoconazole and have White blood cell count increased?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Ketoconazole:

Ketoconazole (16,014 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 White blood cell count increased:

White blood cell count increased (1,788 drugs)

Browse all the conditions that are associated with White blood cell count increased:

White blood cell count increased (2,651 conditions)

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.