Risperidone and Drowsiness - a phase IV clinical study of FDA data

Summary:

Drowsiness is reported as a side effect among people who take Risperidone (risperidone), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Risperdal, and have Attention deficit hyperactivity disorder.

The phase IV clinical study analyzes which people have Drowsiness when taking Risperidone. It is created by eHealthMe based on reports of 70,786 people who have side effects when taking Risperidone from the FDA, and is updated regularly.

What is Risperidone?

Risperidone has active ingredients of risperidone. It is often used in bipolar disorder. eHealthMe is studying from 72,175 Risperidone users. Check the latest studies of Risperidone.

What is Drowsiness?

Drowsiness is found to be associated with 2,863 drugs and 4,800 conditions by eHealthMe. Check the latest studies of Drowsiness.

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 Jul, 08, 2026

70,786 people reported to have side effects when taking Risperidone.
Among them, 2,711 people (3.83%) have Drowsiness.

Among these 2,711 people:

* Approximation only. Some reports may have incomplete information.

Do you take Risperidone and have Drowsiness?

- Check whether Drowsiness 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 Risperidone:

Risperidone (72,175 reports)

Drowsiness treatments and more:

Drowsiness (269,040 reports)

How severe was Drowsiness and when was it recovered:

Drowsiness in Risperidone

Expand to all the drugs that have ingredients of risperidone:

Drowsiness and drugs with ingredients of risperidone (5,717 reports)

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 Risperidone:

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 Drowsiness:

Drowsiness (2,863 drugs)

Browse all the conditions that are associated with Drowsiness:

Drowsiness (4,800 conditions)

Related publications that referenced our studies

Janardhana P, Nagaraj AK, Basavanna PL, "Risperidone-induced skin rash", Indian journal of psychiatry, 2016 Jan .
Dsouza MC, "Could risperidone have caused the cataract?: A case report and review of literature", Journal of Research in Psychiatry and Behavioral Science, 2015 Jan .
Dsouza MC, "COULD RISPERIDONE HAVE CAUSED THE CATARACT", JRPBS, 2015 Jan .
Ray RK, Bashir MA, Rao S, "Co-Administration of Risperidone and Sodium Valproate Causing Bilateral Chronic Exertional Lower Leg Compartment Syndrome", Open Journal of Orthopedics, 2014 Apr .
Hosseini, S. H., & Ahmadi, A., "Peripheral edema occurring during treatment with risperidone combined with citalopram", Case reports in medicine, 2012 Jan .
Janardhana P, Nagaraj AK, Basavanna PL, "Risperidone-induced skin rash", Indian journal of psychiatry, 2016 Jan .
Dsouza MC, "Could risperidone have caused the cataract?: A case report and review of literature", Journal of Research in Psychiatry and Behavioral Science, 2015 Jan .
Dsouza MC, "COULD RISPERIDONE HAVE CAUSED THE CATARACT", JRPBS, 2015 Jan .
Ray RK, Bashir MA, Rao S, "Co-Administration of Risperidone and Sodium Valproate Causing Bilateral Chronic Exertional Lower Leg Compartment Syndrome", Open Journal of Orthopedics, 2014 Apr .
Hosseini, S. H., & Ahmadi, A., "Peripheral edema occurring during treatment with risperidone combined with citalopram", Case reports in medicine, 2012 Jan .

How the study uses the data?

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