Bendamustine and Drowsiness - a phase IV clinical study of FDA data

Summary:

Drowsiness is reported as a side effect among people who take Bendamustine (bendamustine), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Ondansetron, and have Non-hodgkin's lymphoma.

The phase IV clinical study analyzes which people have Drowsiness when taking Bendamustine. It is created by eHealthMe based on reports of 9,503 people who have side effects when taking Bendamustine from the FDA, and is updated regularly.

What is Bendamustine?

Bendamustine has active ingredients of bendamustine. eHealthMe is studying from 9,508 Bendamustine users. Check the latest studies of Bendamustine.

What is Drowsiness?

Drowsiness is found to be associated with 2,863 drugs and 4,800 conditions by eHealthMe. Check the latest studies of Drowsiness.

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, 08, 2026

9,503 people reported to have side effects when taking Bendamustine.
Among them, 28 people (0.29%) have Drowsiness.

Could Bendamustine cause Drowsiness?

Among these 28 people:

How long have people been on Bendamustine when they have Drowsiness? *

  • < 1 month: 66.67 %
  • 1 - 6 months: 33.33 %
  • 6 - 12 months: 0.0 %
  • 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 Drowsiness when taking Bendamustine? *

  • female: 60.87 %
  • male: 39.13 %

What is the age of people who have Drowsiness when taking Bendamustine? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 4.55 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 95.45 %

What are other drugs people take besides Bendamustine? *

  1. Fentanyl: 10 people, 35.71%
  2. Ondansetron: 10 people, 35.71%
  3. Methotrexate: 9 people, 32.14%
  4. Acyclovir: 9 people, 32.14%
  5. Allopurinol: 9 people, 32.14%
  6. Cyclophosphamide: 9 people, 32.14%
  7. Enoxaparin Sodium: 9 people, 32.14%
  8. Vincristine Sulfate: 9 people, 32.14%
  9. Lyrica: 9 people, 32.14%
  10. Acetaminophen: 9 people, 32.14%

What are other side effects people have besides Drowsiness? *

  1. Fever: 21 people, 75.00%
  2. Confusional State: 17 people, 60.71%
  3. General Physical Health Deterioration (weak health status): 13 people, 46.43%
  4. Arrhythmias (irregular heartbeat): 11 people, 39.29%
  5. Sepsis (a severe blood infection that can lead to organ failure and death): 11 people, 39.29%
  6. Hypercreatininaemia (high levels of creatine in the blood): 9 people, 32.14%
  7. Speech Disorder: 9 people, 32.14%
  8. C-Reactive Protein Increased: 9 people, 32.14%
  9. Procalcitonin Increased: 9 people, 32.14%
  10. Weakness: 8 people, 28.57%

What are the existing conditions these people have? *

  1. Non-Hodgkin's Lymphoma (malignant (cancer) cells form in the lymph system): 11 people, 39.29%
  2. Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 8 people, 28.57%
  3. High Blood Pressure: 5 people, 17.86%
  4. Waldenstrom's Macroglobulinaemia (cancer affects small lymphocytes (white blood cells)): 3 people, 10.71%
  5. Neoplasm Malignant (cancer tumour): 3 people, 10.71%
  6. Mantle Cell Lymphoma (cancer of lymphocytes, a type of white blood cell): 2 people, 7.14%
  7. High Blood Cholesterol: 2 people, 7.14%
  8. White Blood Cell Count Decreased: 1 person, 3.57%
  9. Thrombosis (formation of a blood clot inside a blood vessel): 1 person, 3.57%
  10. Cold Type Haemolytic Anaemia (anaemia of abnormal breakdown of red blood cells): 1 person, 3.57%

* Approximation only. Some reports may have incomplete information.

Do you take Bendamustine and have Drowsiness?

- Check whether Drowsiness 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 Bendamustine:

Drowsiness treatments and more:

How severe was Drowsiness and when was it recovered:

Expand to all the drugs that have ingredients of bendamustine:

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 Bendamustine:

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 Drowsiness:

Browse all the conditions that are associated with Drowsiness:


How the study uses the data?

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



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