Drisdol and White blood cell count abnormal - a phase IV clinical study of FDA data

Summary:

White blood cell count abnormal is reported as a side effect among people who take Drisdol (ergocalciferol), especially for people who are female, 40-49 old, also take Nexium, and have Primary myelofibrosis.

The phase IV clinical study analyzes which people have White blood cell count abnormal when taking Drisdol. It is created by eHealthMe based on reports of 1,686 people who have side effects when taking Drisdol from the FDA, and is updated regularly.

What is Drisdol?

Drisdol has active ingredients of ergocalciferol. It is often used in vitamin d. eHealthMe is studying from 1,741 Drisdol users. Check the latest studies of Drisdol.

What is White blood cell count abnormal?

White blood cell count abnormal is found to be associated with 554 drugs and 841 conditions by eHealthMe. Check the latest studies of White blood cell count abnormal.

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, 27, 2026

1,686 people reported to have side effects when taking Drisdol.
Among them, 11 people (0.65%) have White blood cell count abnormal.

Could Drisdol cause White blood cell count abnormal?

Among these 11 people:

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

female: 100 %
male: 0.0 %

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

What are other drugs people take besides Drisdol? *

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

Nausea (feeling of having an urge to vomit): 10 people, 90.91%
Dizziness: 9 people, 81.82%
Fatigue (feeling of tiredness): 9 people, 81.82%
Drowsiness: 7 people, 63.64%
Weakness: 7 people, 63.64%
Headache (pain in head): 7 people, 63.64%
Nausea And Vomiting: 6 people, 54.55%
Hypoaesthesia (reduced sense of touch or sensation): 5 people, 45.45%
Fibromyalgia (a long-term condition which causes pain all over the body): 5 people, 45.45%
Pain: 5 people, 45.45%

What are the existing conditions these people have? *

Primary Myelofibrosis (primary disorder of the bone marrow): 5 people, 45.45%
Multiple Myeloma (cancer of the plasma cells): 3 people, 27.27%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 2 people, 18.18%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Drisdol and have White blood cell count abnormal?

- Check whether White blood cell count abnormal is associated with a drug or a condition
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Related studies:

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

Drisdol (1,741 reports)

Browse all side effects of Drisdol:

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 abnormal:

White blood cell count abnormal (554 drugs)

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

White blood cell count abnormal (841 conditions)

Related publications that referenced our studies

Kapoor S, "Influence of Vitamin D Consumption and Levels on the Development of Psychiatric Disorders", Lee, Y. J., & Park, K. (2018). Secondary Raynaud’s Phenomenon and Skin Necrosis of Toes in the Paraplegic Patient with Hypertension.?Drug safety-case reports,?5(1), 7., 2014 Aug .
Kapoor S, "Influence of Vitamin D Consumption and Levels on the Development of Psychiatric Disorders", Lee, Y. J., & Park, K. (2018). Secondary Raynaud’s Phenomenon and Skin Necrosis of Toes in the Paraplegic Patient with Hypertension.?Drug safety-case reports,?5(1), 7., 2014 Aug .

How the study uses the data?

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