Promacta 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 Promacta (eltrombopag olamine), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Prednisolone, and have Idiopathic thrombocytopenic purpura.

The phase IV clinical study analyzes which people have White blood cell count increased when taking Promacta. It is created by eHealthMe based on reports of 17,717 people who have side effects when taking Promacta from the FDA, and is updated regularly.

What is Promacta?

Promacta has active ingredients of eltrombopag olamine. It is often used in idiopathic thrombocytopenic purpura (itp). eHealthMe is studying from 17,758 Promacta users. Check the latest studies of Promacta.

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, 03, 2026

17,717 people reported to have side effects when taking Promacta.
Among them, 59 people (0.33%) have White blood cell count increased.

Could Promacta cause White blood cell count increased?

Among these 59 people:

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

  • < 1 month: 52 %
  • 1 - 6 months: 36 %
  • 6 - 12 months: 12 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

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

  • female: 42.11 %
  • male: 57.89 %

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

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 2.38 %
  • 20-29: 4.76 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 7.14 %
  • 60+: 85.71 %

What are other drugs people take besides Promacta? *

  1. Prednisolone: 9 people, 15.25%
  2. Fluconazole: 5 people, 8.47%
  3. Levofloxacin: 5 people, 8.47%
  4. Calcium: 4 people, 6.78%
  5. Zantac: 4 people, 6.78%
  6. Flagyl: 3 people, 5.08%
  7. Prednisone: 3 people, 5.08%
  8. Nplate: 3 people, 5.08%
  9. Xanax: 3 people, 5.08%
  10. Zyloprim: 2 people, 3.39%

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

  1. Thrombocytopenia (decrease of platelets in blood): 20 people, 33.90%
  2. Platelet Count Increased: 10 people, 16.95%
  3. Blood Bilirubin Increased: 7 people, 11.86%
  4. Neutrophil Count Increased (excess than normal number of neutrophil a type of blood cell): 6 people, 10.17%
  5. Fever: 6 people, 10.17%
  6. Haemoglobin Decreased: 6 people, 10.17%
  7. Acute Myeloid Leukaemia (acute cancer in which the bone marrow makes abnormal myeloblasts): 5 people, 8.47%
  8. Nausea (feeling of having an urge to vomit): 5 people, 8.47%
  9. Hepatic Enzyme Increased: 4 people, 6.78%
  10. Constipation: 4 people, 6.78%

What are the existing conditions these people have? *

  1. Idiopathic Thrombocytopenic Purpura (bleeding disorder in which the immune system destroys platelets, which are necessary for normal blood clotting): 21 people, 35.59%
  2. Myelodysplastic Syndrome (a group of conditions that occur when the blood-forming cells in the bone marrow are damaged): 5 people, 8.47%
  3. High Blood Pressure: 3 people, 5.08%
  4. Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 3 people, 5.08%
  5. Pain: 3 people, 5.08%
  6. Indigestion: 2 people, 3.39%
  7. Cytomegalovirus Infection: 2 people, 3.39%
  8. Thrombocytopenia (decrease of platelets in blood): 2 people, 3.39%
  9. Platelet Count Abnormal: 2 people, 3.39%
  10. Anaplastic Large Cell Lymphoma T- And Null-Cell Types (t-cell or null-cell cancer, a type of blood cancer): 2 people, 3.39%

* Approximation only. Some reports may have incomplete information.

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

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Related studies:

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

White blood cell count increased treatments and more:

How severe was White blood cell count increased and when was it recovered:

Expand to all the drugs that have ingredients of eltrombopag olamine:

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+

Browse all side effects of Promacta:

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:

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


How the study uses the data?

The study uses data from the FDA. It is based on eltrombopag olamine (the active ingredients of Promacta) and Promacta (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.

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