Topamax and Parasomnia - a phase IV clinical study of FDA data

Summary:

Parasomnia is reported as a side effect among people who take Topamax (topiramate), especially for people who are female, 40-49 old, have been taking the drug for 10+ years also take Xyrem, and have Narcolepsy.

The phase IV clinical study analyzes which people have Parasomnia when taking Topamax. It is created by eHealthMe based on reports of 54,158 people who have side effects when taking Topamax from the FDA, and is updated regularly.

What is Topamax?

Topamax has active ingredients of topiramate. It is often used in migraine. eHealthMe is studying from 58,954 Topamax users. Check the latest studies of Topamax.

What is Parasomnia?

Parasomnia (sleep disorders that involve abnormal and unnatural movements, behaviours, emotions, perceptions) is found to be associated with 125 drugs and 173 conditions by eHealthMe. Check the latest studies of Parasomnia.



On Jul, 19, 2026

54,158 people reported to have side effects when taking Topamax.
Among them, 19 people (0.04%) have Parasomnia.

Could Topamax cause Parasomnia?

Among these 19 people:

How long have people been on Topamax when they have Parasomnia? *

  • < 1 month: 20 %
  • 1 - 6 months: 20 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 60 %

What is the gender of people who have Parasomnia when taking Topamax? *

  • female: 100 %
  • male: 0.0 %

What is the age of people who have Parasomnia when taking Topamax? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 7.69 %
  • 30-39: 15.38 %
  • 40-49: 53.85 %
  • 50-59: 23.08 %
  • 60+: 0.0 %

What are other drugs people take besides Topamax? *

  1. Xyrem: 17 people, 89.47%
  2. Wellbutrin: 7 people, 36.84%
  3. Adderall: 6 people, 31.58%
  4. Sonata: 4 people, 21.05%
  5. Lexapro: 4 people, 21.05%
  6. Allegra: 4 people, 21.05%
  7. Oxycodone: 4 people, 21.05%
  8. Epipen: 4 people, 21.05%
  9. Singulair: 4 people, 21.05%
  10. Percocet: 3 people, 15.79%

What are other side effects people have besides Parasomnia? *

  1. Weight Increased: 6 people, 31.58%
  2. Sleep Walking (walking during sleep): 6 people, 31.58%
  3. Abnormal Behavior: 5 people, 26.32%
  4. Sleep Apnea Syndrome: 5 people, 26.32%
  5. Fatigue (feeling of tiredness): 4 people, 21.05%
  6. Umbilical Hernia (an outward bulging (protrusion) of the abdominal lining or part of the abdominal organ(s) through the area around the belly button): 4 people, 21.05%
  7. Stress And Anxiety: 4 people, 21.05%
  8. Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect): 3 people, 15.79%
  9. Depression: 3 people, 15.79%
  10. Drug Hypersensitivity: 3 people, 15.79%

What are the existing conditions these people have? *

  1. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 15 people, 78.95%
  2. Cataplexy (loss of muscle tone accompanied by full conscious awareness): 13 people, 68.42%
  3. Stress And Anxiety: 4 people, 21.05%
  4. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 4 people, 21.05%
  5. Hypersensitivity: 4 people, 21.05%
  6. Panic Disorder: 3 people, 15.79%
  7. Restless Leg Syndrome (a powerful urge to move your legs): 2 people, 10.53%
  8. Rashes (redness): 2 people, 10.53%
  9. Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 2 people, 10.53%
  10. Post-Traumatic Stress Disorder: 1 person, 5.26%

* Approximation only. Some reports may have incomplete information.

Do you take Topamax and have Parasomnia?

- Check whether Parasomnia 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 Topamax:

Parasomnia treatments and more:

How severe was Parasomnia and when was it recovered:

Expand to all the drugs that have ingredients of topiramate:

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 Topamax:

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 Parasomnia:

Browse all the conditions that are associated with Parasomnia:

Related publications that referenced our studies


How the study uses the data?

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



Recent studies on eHealthMe: