Clozapine and Thought blocking - a phase IV clinical study of FDA data

Summary:

Thought blocking is reported as a side effect among people who take Clozapine (clozapine), especially for people who are male, 30-39 old, also take Olanzapine, and have Affective disorder.

The phase IV clinical study analyzes which people have Thought blocking when taking Clozapine. It is created by eHealthMe based on reports of 83,401 people who have side effects when taking Clozapine from the FDA, and is updated regularly.

What is Clozapine?

Clozapine has active ingredients of clozapine. It is often used in schizophrenia. eHealthMe is studying from 83,728 Clozapine users. Check the latest studies of Clozapine.

What is Thought blocking?

Thought blocking (a sudden inability to finish a thought) is found to be associated with 96 drugs and 277 conditions by eHealthMe. Check the latest studies of Thought blocking.



On Aug, 10, 2026

83,401 people reported to have side effects when taking Clozapine.
Among them, 12 people (0.01%) have Thought blocking.

Could Clozapine cause Thought blocking?

Among these 12 people:

What is the gender of people who have Thought blocking when taking Clozapine? *

  • female: 33.33 %
  • male: 66.67 %

What is the age of people who have Thought blocking when taking Clozapine? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 27.27 %
  • 20-29: 18.18 %
  • 30-39: 27.27 %
  • 40-49: 18.18 %
  • 50-59: 0.0 %
  • 60+: 9.09 %

What are other drugs people take besides Clozapine? *

  1. Valproate Sodium: 3 people, 25.00%
  2. Olanzapine: 3 people, 25.00%
  3. Risperidone: 2 people, 16.67%
  4. Clonazepam: 2 people, 16.67%
  5. Zolpidem Tartrate: 1 person, 8.33%
  6. Lithium Carbonate: 1 person, 8.33%
  7. Haloperidol: 1 person, 8.33%
  8. Gabapentin: 1 person, 8.33%
  9. Clozaril: 1 person, 8.33%
  10. Carbamazepine: 1 person, 8.33%

What are other side effects people have besides Thought blocking? *

  1. Hallucination, Auditory (perceiving sounds without auditory stimulus): 6 people, 50.00%
  2. Psychotic Disorder: 5 people, 41.67%
  3. Salivary Hypersecretion (excess saliva secretion): 5 people, 41.67%
  4. Speech Disorder: 4 people, 33.33%
  5. Aggression: 4 people, 33.33%
  6. Agitation (state of anxiety or nervous excitement): 4 people, 33.33%
  7. Stress And Anxiety: 3 people, 25.00%
  8. Fever: 3 people, 25.00%
  9. Abnormal Behavior: 3 people, 25.00%
  10. Poverty Of Speech: 3 people, 25.00%

What are the existing conditions these people have? *

  1. Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 1 person, 8.33%
  2. Schizophrenia, Paranoid Type (delusions and auditory hallucinations but relatively normal intellectual functioning and expression of affect): 1 person, 8.33%
  3. Schizoaffective Disorder Bipolar Type (mental illness featuring schizophrenia and a mood disorder with mania): 1 person, 8.33%
  4. Psychotic Disorder: 1 person, 8.33%
  5. Deep Venous Thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis): 1 person, 8.33%
  6. Affective Disorder (mental disorder): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Clozapine and have Thought blocking?

- Check whether Thought blocking 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 Clozapine:

Thought blocking treatments and more:

How severe was Thought blocking and when was it recovered:

Expand to all the drugs that have ingredients of clozapine:

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 Clozapine:

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 Thought blocking:

Browse all the conditions that are associated with Thought blocking:

Related publications that referenced our studies


How the study uses the data?

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