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Keppra and Thyroid cancer - a phase IV clinical study of FDA data

Summary:

Thyroid cancer is reported as a side effect among people who take Keppra (levetiracetam), especially for people who are female, 60+ old, also take Synthroid, and have High blood pressure.

The phase IV clinical study analyzes which people have Thyroid cancer 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 Thyroid cancer?

Thyroid cancer is found to be associated with 586 drugs and 844 conditions by eHealthMe. Check the latest studies of Thyroid cancer.

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, 26 people (0.04%) have Thyroid cancer.

Could Keppra cause Thyroid cancer?

Among these 26 people:

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

  • female: 70.83 %
  • male: 29.17 %

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

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 33.33 %
  • 40-49: 4.76 %
  • 50-59: 19.05 %
  • 60+: 42.86 %

What are other drugs people take besides Keppra? *

  1. Synthroid: 10 people, 38.46%
  2. Folic Acid: 9 people, 34.62%
  3. Metformin: 5 people, 19.23%
  4. Lipitor: 4 people, 15.38%
  5. Calcium: 4 people, 15.38%
  6. Lantus: 3 people, 11.54%
  7. Vitamin D3: 3 people, 11.54%
  8. Dilantin: 3 people, 11.54%
  9. Coumadin: 3 people, 11.54%
  10. Lasix: 2 people, 7.69%

What are other side effects people have besides Thyroid cancer? *

  1. Birth Control: 6 people, 23.08%
  2. Drug Exposure During Pregnancy: 6 people, 23.08%
  3. Fall: 4 people, 15.38%
  4. Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 4 people, 15.38%
  5. Dyspnea (difficult or laboured breathing): 3 people, 11.54%
  6. Endometrial Cancer: 3 people, 11.54%
  7. Sleep Apnea Syndrome: 3 people, 11.54%
  8. Stress And Anxiety: 3 people, 11.54%
  9. Joint Pain: 3 people, 11.54%
  10. Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 3 people, 11.54%

What are the existing conditions these people have? *

  1. High Blood Cholesterol: 3 people, 11.54%
  2. Lung Neoplasm Malignant (cancer tumour of lung): 3 people, 11.54%
  3. Glioblastoma (most common and most aggressive malignant primary brain tumour in humans): 3 people, 11.54%
  4. High Blood Pressure: 3 people, 11.54%
  5. Arterial Disorder: 2 people, 7.69%
  6. Birth Control: 2 people, 7.69%
  7. Blood Pressure Abnormal: 2 people, 7.69%
  8. Diabetes: 2 people, 7.69%
  9. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 7.69%
  10. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 2 people, 7.69%

* Approximation only. Some reports may have incomplete information.

Do you take Keppra and have Thyroid cancer?

- Check whether Thyroid cancer 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 Keppra:

Thyroid cancer treatments and more:

How severe was Thyroid cancer 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 Thyroid cancer:

Browse all the conditions that are associated with Thyroid cancer:

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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