Felbamate and Fatigue - a phase IV clinical study of FDA data

Summary:

Fatigue is reported as a side effect among people who take Felbamate (felbamate), especially for people who are male, 30-39 old, have been taking the drug for < 1 month also take Epidiolex, and have Epilepsy.

The phase IV clinical study analyzes which people have Fatigue when taking Felbamate. It is created by eHealthMe based on reports of 1,140 people who have side effects when taking Felbamate from the FDA, and is updated regularly.

What is Felbamate?

Felbamate has active ingredients of felbamate. eHealthMe is studying from 1,145 Felbamate users. Check the latest studies of Felbamate.

What is Fatigue?

Fatigue (feeling of tiredness) is found to be associated with 4,027 drugs and 6,380 conditions by eHealthMe. Check the latest studies of Fatigue.



On Jul, 10, 2026

1,140 people reported to have side effects when taking Felbamate.
Among them, 68 people (5.96%) have Fatigue.

Could Felbamate cause Fatigue?

Among these 68 people:

How long have people been on Felbamate when they have Fatigue? *

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

What is the gender of people who have Fatigue when taking Felbamate? *

  • female: 41.86 %
  • male: 58.14 %

What is the age of people who have Fatigue when taking Felbamate? *

  • 0-1: 2.86 %
  • 2-9: 22.86 %
  • 10-19: 25.71 %
  • 20-29: 2.86 %
  • 30-39: 31.43 %
  • 40-49: 2.86 %
  • 50-59: 2.86 %
  • 60+: 8.57 %

What are other drugs people take besides Felbamate? *

  1. Epidiolex: 17 people, 25.00%
  2. Onfi: 16 people, 23.53%
  3. Depakote: 10 people, 14.71%
  4. Keppra: 9 people, 13.24%
  5. Xcopri: 8 people, 11.76%
  6. Banzel: 8 people, 11.76%
  7. Clobazam: 7 people, 10.29%
  8. Vimpat: 6 people, 8.82%
  9. Rufinamide: 5 people, 7.35%
  10. Fintepla: 5 people, 7.35%

What are other side effects people have besides Fatigue? *

  1. Seizures (abnormal excessive or synchronous neuronal activity in the brain): 23 people, 33.82%
  2. Drowsiness: 11 people, 16.18%
  3. Balance Disorder: 8 people, 11.76%
  4. Weight Decreased: 5 people, 7.35%
  5. Weakness: 5 people, 7.35%
  6. Dizziness: 5 people, 7.35%
  7. Tremor (trembling or shaking movements in one or more parts of your body): 5 people, 7.35%
  8. Nausea (feeling of having an urge to vomit): 4 people, 5.88%
  9. Memory Loss: 4 people, 5.88%
  10. Hypophagia (reduced food intake): 4 people, 5.88%

What are the existing conditions these people have? *

  1. Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures): 28 people, 41.18%
  2. Seizures (abnormal excessive or synchronous neuronal activity in the brain): 18 people, 26.47%
  3. Lennox-Gastaut Syndrome (epilepsy characterized by frequent seizures and different seizure types): 13 people, 19.12%
  4. Aggression: 3 people, 4.41%
  5. Urinary Tract Infection Pseudomonal: 2 people, 2.94%
  6. Limb Discomfort (discomfort in leg): 2 people, 2.94%
  7. Bruxism (habitual grinding of the teeth, typically during sleep): 2 people, 2.94%
  8. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 2 people, 2.94%
  9. Depression: 2 people, 2.94%
  10. Diabetic Gastroparesis (paralysis of the muscles of the stomach caused by diabetes): 2 people, 2.94%

* Approximation only. Some reports may have incomplete information.

Do you take Felbamate and have Fatigue?

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Related studies:

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

Fatigue treatments and more:

How severe was Fatigue and when was it recovered:

Expand to all the drugs that have ingredients of felbamate:

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 Felbamate:

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 Fatigue:

Browse all the conditions that are associated with Fatigue:

Related publications that referenced our studies


How the study uses the data?

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