Haloperidol decanoate and Headache - a phase IV clinical study of FDA data

Summary:

Headache is reported as a side effect among people who take Haloperidol decanoate (haloperidol decanoate), especially for people who are female, 50-59 old, have been taking the drug for 2 - 5 years also take Calcium, and have Schizophrenia.

The phase IV clinical study analyzes which people have Headache when taking Haloperidol decanoate. It is created by eHealthMe based on reports of 1,886 people who have side effects when taking Haloperidol decanoate from the FDA, and is updated regularly.

What is Haloperidol decanoate?

Haloperidol decanoate has active ingredients of haloperidol decanoate. eHealthMe is studying from 1,890 Haloperidol decanoate users. Check the latest studies of Haloperidol decanoate.

What is Headache?

Headache (pain in head) is found to be associated with 3,751 drugs and 5,772 conditions by eHealthMe. Check the latest studies of Headache.

On Jul, 13, 2026

1,886 people reported to have side effects when taking Haloperidol decanoate.
Among them, 34 people (1.8%) have Headache.

Could Haloperidol decanoate cause Headache?

Among these 34 people:

How long have people been on Haloperidol decanoate when they have Headache? *

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

female: 87.5 %
male: 12.5 %

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

What are other drugs people take besides Haloperidol decanoate? *

What are other side effects people have besides Headache? *

Fatigue (feeling of tiredness): 26 people, 76.47%
Agranulocytosis (a deficiency of granulocytes in the blood, causing increased vulnerability to infection): 24 people, 70.59%
Leukopenia (less number of white blood cells in blood): 24 people, 70.59%
Cervix Neoplasm (tumour of cervix): 24 people, 70.59%
Anaemia (lack of blood): 24 people, 70.59%
Central Obesity (belly fat): 23 people, 67.65%
Chronic Kidney Disease: 23 people, 67.65%
Vaginal Bleeding: 23 people, 67.65%
Second Primary Malignancy (after getting cure a cancer, a new cancer development): 6 people, 17.65%
Erection Problems: 5 people, 14.71%

What are the existing conditions these people have? *

Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 26 people, 76.47%
Mental Disorder (a psychological term for a mental or behavioural pattern or anomaly that causes distress or disability): 20 people, 58.82%
Psychotic Disorder: 4 people, 11.76%
Paranoia (psychotic disorder characterized by delusions of persecution with or without grandeur): 2 people, 5.88%
Schizoaffective Disorder (a mental disorder characterized by disordered thought): 1 person, 2.94%
Major Depression (a mood state that goes well beyond temporarily feeling sad or blue. it is a serious medical illness that affects one's thoughts, feelings): 1 person, 2.94%
Indigestion: 1 person, 2.94%
Hiv Infection: 1 person, 2.94%
Cardiac Failure Congestive: 1 person, 2.94%
Asthma: 1 person, 2.94%

* Approximation only. Some reports may have incomplete information.

Do you take Haloperidol decanoate and have Headache?

- Check whether Headache 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 decanoate:

Haloperidol decanoate (1,890 reports)

Headache treatments and more:

Headache (756,642 reports)

Browse all side effects of Haloperidol decanoate:

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 Headache:

Headache (3,751 drugs)

Browse all the conditions that are associated with Headache:

Headache (5,772 conditions)

How the study uses the data?

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