Keppra and Immunodeficiency - a phase IV clinical study of FDA data

Summary:

Immunodeficiency is reported as a side effect among people who take Keppra (levetiracetam), especially for people who are female, 60+ old, have been taking the drug for 2 - 5 years also take Ondansetron, and have B-cell type acute leukaemia.

The phase IV clinical study analyzes which people have Immunodeficiency when taking Keppra. It is created by eHealthMe based on reports of 70,297 people who have side effects when taking Keppra from the FDA, and is updated regularly.

What is Keppra?

Keppra has active ingredients of levetiracetam. It is often used in epilepsy. eHealthMe is studying from 73,504 Keppra users. Check the latest studies of Keppra.

What is Immunodeficiency?

Immunodeficiency is found to be associated with 851 drugs and 820 conditions by eHealthMe. Check the latest studies of Immunodeficiency.

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

70,297 people reported to have side effects when taking Keppra.
Among them, 51 people (0.07%) have Immunodeficiency.

Could Keppra cause Immunodeficiency?

Among these 51 people:

How long have people been on Keppra when they have Immunodeficiency? *

  • < 1 month: 0.0 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 50 %
  • 2 - 5 years: 50 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Immunodeficiency when taking Keppra? *

  • female: 53.33 %
  • male: 46.67 %

What is the age of people who have Immunodeficiency when taking Keppra? *

  • 0-1: 6.45 %
  • 2-9: 9.68 %
  • 10-19: 6.45 %
  • 20-29: 0.0 %
  • 30-39: 3.23 %
  • 40-49: 19.35 %
  • 50-59: 22.58 %
  • 60+: 32.26 %

What are other drugs people take besides Keppra? *

  1. Ondansetron: 10 people, 19.61%
  2. Pantoprazole: 8 people, 15.69%
  3. Synthroid: 8 people, 15.69%
  4. Humira: 7 people, 13.73%
  5. Cyclophosphamide: 6 people, 11.76%
  6. Septra: 6 people, 11.76%
  7. Protonix: 6 people, 11.76%
  8. Cytarabine: 6 people, 11.76%
  9. Thioguanine: 5 people, 9.80%
  10. Seroquel: 5 people, 9.80%

What are other side effects people have besides Immunodeficiency? *

  1. Pneumonia: 11 people, 21.57%
  2. Fatigue (feeling of tiredness): 11 people, 21.57%
  3. Memory Loss: 8 people, 15.69%
  4. Weight Decreased: 7 people, 13.73%
  5. Heart Rate Increased: 7 people, 13.73%
  6. Infection: 7 people, 13.73%
  7. Nasopharyngitis (inflammation of the nasopharynx): 6 people, 11.76%
  8. Nausea And Vomiting: 6 people, 11.76%
  9. Abdominal Pain: 6 people, 11.76%
  10. Swallowing Difficulty: 6 people, 11.76%

What are the existing conditions these people have? *

  1. B-Cell Type Acute Leukaemia (cancer of the white blood cells): 6 people, 11.76%
  2. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 4 people, 7.84%
  3. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 4 people, 7.84%
  4. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 4 people, 7.84%
  5. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 7.84%
  6. Brain Neoplasm Malignant (brain cancer tumour): 3 people, 5.88%
  7. Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 3 people, 5.88%
  8. High Blood Pressure: 3 people, 5.88%
  9. Cataplexy (loss of muscle tone accompanied by full conscious awareness): 3 people, 5.88%
  10. Viral Infection: 2 people, 3.92%

* Approximation only. Some reports may have incomplete information.

Do you take Keppra and have Immunodeficiency?

- Check whether Immunodeficiency is associated with a drug or a condition
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Related studies:

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

Immunodeficiency treatments and more:

How severe was Immunodeficiency and when was it recovered:

Expand to all the drugs that have ingredients of levetiracetam:

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 Keppra:

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 Immunodeficiency:

Browse all the conditions that are associated with Immunodeficiency:

Related publications that referenced our studies


How the study uses the data?

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