Haloperidol and Negativism - a phase IV clinical study of FDA data

Summary:

Negativism is reported as a side effect among people who take Haloperidol (haloperidol), especially for people who are female, 30-39 old, also take Olanzapine, and have Agitation.

The phase IV clinical study analyzes which people have Negativism when taking Haloperidol. It is created by eHealthMe based on reports of 16,432 people who have side effects when taking Haloperidol from the FDA, and is updated regularly.

What is Haloperidol?

Haloperidol has active ingredients of haloperidol. It is often used in schizophrenia. eHealthMe is studying from 16,637 Haloperidol users. Check the latest studies of Haloperidol.

What is Negativism?

Negativism (negative thoughts) is found to be associated with 77 drugs and 234 conditions by eHealthMe. Check the latest studies of Negativism.

On Aug, 05, 2026

16,432 people reported to have side effects when taking Haloperidol.
Among them, 22 people (0.13%) have Negativism.

Among these 22 people:

What is the gender of people who have Negativism when taking Haloperidol? *

female: 63.64 %
male: 36.36 %

What is the age of people who have Negativism when taking Haloperidol? *

What are other drugs people take besides Haloperidol? *

What are other side effects people have besides Negativism? *

Neuroleptic Malignant Syndrome (a life-threatening neurological disorder most often caused by an adverse reaction to neuroleptic or antipsychotic agents): 11 people, 50.00%
Psychomotor Hyperactivity (feelings of extreme restlessness): 9 people, 40.91%
Fever: 8 people, 36.36%
Aggression: 8 people, 36.36%
Muscle Rigidity (muscle stiffness): 8 people, 36.36%
Catatonia (unresponsive to external stimuli): 8 people, 36.36%
Drug Ineffective: 7 people, 31.82%
Pulmonary Embolism (blockage of the main artery of the lung): 7 people, 31.82%
Nausea And Vomiting: 6 people, 27.27%
Agitation (state of anxiety or nervous excitement): 6 people, 27.27%

What are the existing conditions these people have? *

Agitation (state of anxiety or nervous excitement): 4 people, 18.18%
Bipolar I Disorder (mood disorder that is characterized by at least one manic or mixed episode): 3 people, 13.64%
Stress And Anxiety: 1 person, 4.55%
Schizophrenia, Catatonic Type (a type (or subtype) of schizophrenia that includes extremes of behaviour): 1 person, 4.55%
Psychotic Disorder: 1 person, 4.55%
Memory Loss: 1 person, 4.55%
Insomnia (sleeplessness): 1 person, 4.55%
Depression: 1 person, 4.55%
Affective Disorder (mental disorder): 1 person, 4.55%
Abnormal Behavior: 1 person, 4.55%

* Approximation only. Some reports may have incomplete information.

Do you take Haloperidol and have Negativism?

- Check whether Negativism 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 Haloperidol:

Haloperidol (16,637 reports)

Negativism treatments and more:

Negativism (960 reports)

Browse all side effects of Haloperidol:

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 Negativism:

Negativism (77 drugs)

Browse all the conditions that are associated with Negativism:

Negativism (234 conditions)

Related publications that referenced our studies

Obayi, O., & Tagbo, N. , "Bilateral Pedal Oedema Associated with Intramuscular Haloperidol–A Rare Observation", International Neuropsychiatric Disease Journal, 2018 Jan .
Obayi, O., & Tagbo, N. , "Bilateral Pedal Oedema Associated with Intramuscular Haloperidol–A Rare Observation", International Neuropsychiatric Disease Journal, 2018 Jan .

How the study uses the data?

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