Clonazepam and Postictal state - a phase IV clinical study of FDA data

Summary:

Postictal state is reported as a side effect among people who take Clonazepam (clonazepam), especially for people who are male, 50-59 old, have been taking the drug for < 1 month also take Lamotrigine, and have Convulsion.

The phase IV clinical study analyzes which people have Postictal state when taking Clonazepam. It is created by eHealthMe based on reports of 140,365 people who have side effects when taking Clonazepam from the FDA, and is updated regularly.

What is Clonazepam?

Clonazepam has active ingredients of clonazepam. It is often used in stress and anxiety. eHealthMe is studying from 146,272 Clonazepam users. Check the latest studies of Clonazepam.

What is Postictal state?

Postictal state is found to be associated with 182 drugs and 354 conditions by eHealthMe. Check the latest studies of Postictal state.

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 Sep, 02, 2026

140,365 people reported to have side effects when taking Clonazepam.
Among them, 27 people (0.02%) have Postictal state.

Could Clonazepam cause Postictal state?

Among these 27 people:

How long have people been on Clonazepam when they have Postictal state? *

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 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 Postictal state when taking Clonazepam? *

  • female: 48 %
  • male: 52 %

What is the age of people who have Postictal state when taking Clonazepam? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 9.52 %
  • 20-29: 19.05 %
  • 30-39: 9.52 %
  • 40-49: 9.52 %
  • 50-59: 42.86 %
  • 60+: 9.52 %

What are other drugs people take besides Clonazepam? *

  1. Lamotrigine: 7 people, 25.93%
  2. Keppra: 5 people, 18.52%
  3. Lamictal: 4 people, 14.81%
  4. Promethazine: 3 people, 11.11%
  5. Nayzilam: 3 people, 11.11%
  6. Fluoxetine: 3 people, 11.11%
  7. Vimpat: 3 people, 11.11%
  8. Hydrochlorothiazide: 2 people, 7.41%
  9. Levothyroxine Sodium: 2 people, 7.41%
  10. Geodon: 2 people, 7.41%

What are other side effects people have besides Postictal state? *

  1. Confusional State: 10 people, 37.04%
  2. Grand Mal Convulsion (a type of generalized seizure that affects the entire brain): 9 people, 33.33%
  3. Agitation (state of anxiety or nervous excitement): 7 people, 25.93%
  4. Confusion: 6 people, 22.22%
  5. Mental Status Changes (general changes in brain function, such as confusion, amnesia (memory loss), loss of alertness, loss of orientation): 6 people, 22.22%
  6. Disturbance In Attention: 6 people, 22.22%
  7. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 6 people, 22.22%
  8. Rhabdomyolysis (a condition in which damaged skeletal muscle tissue breaks down): 6 people, 22.22%
  9. Overdose: 5 people, 18.52%
  10. Fatigue (feeling of tiredness): 5 people, 18.52%

What are the existing conditions these people have? *

  1. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 6 people, 22.22%
  2. Seizures (abnormal excessive or synchronous neuronal activity in the brain): 4 people, 14.81%
  3. Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures): 3 people, 11.11%
  4. Lactose Intolerance (inability to digest lactose): 2 people, 7.41%
  5. Cough: 2 people, 7.41%
  6. Partial Seizures (seizures which affect only a part of the brain at onset): 2 people, 7.41%
  7. Pain: 2 people, 7.41%
  8. Hypersensitivity: 2 people, 7.41%
  9. Nausea (feeling of having an urge to vomit): 2 people, 7.41%
  10. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 7.41%

* Approximation only. Some reports may have incomplete information.

Do you take Clonazepam and have Postictal state?

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Related studies:

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

Postictal state treatments and more:

How severe was Postictal state and when was it recovered:

Expand to all the drugs that have ingredients of clonazepam:

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 Clonazepam:

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 Postictal state:

Browse all the conditions that are associated with Postictal state:

Related publications that referenced our studies


How the study uses the data?

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