Hydroxyzine pamoate and Hallucinations - a phase IV clinical study of FDA data

Summary:

Hallucinations is reported as a side effect among people who take Hydroxyzine pamoate (hydroxyzine pamoate), especially for people who are male, 60+ old, also take Ativan, and have Bipolar disorder.

The phase IV clinical study analyzes which people have Hallucinations when taking Hydroxyzine pamoate. It is created by eHealthMe based on reports of 3,887 people who have side effects when taking Hydroxyzine pamoate from the FDA, and is updated regularly.

What is Hydroxyzine pamoate?

Hydroxyzine pamoate has active ingredients of hydroxyzine pamoate. It is often used in stress and anxiety. eHealthMe is studying from 4,252 Hydroxyzine pamoate users. Check the latest studies of Hydroxyzine pamoate.

What is Hallucinations?

Hallucinations (sensations that appear real but are created by your mind) is found to be associated with 1,890 drugs and 2,728 conditions by eHealthMe. Check the latest studies of Hallucinations.

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, 03, 2026

3,887 people reported to have side effects when taking Hydroxyzine pamoate.
Among them, 18 people (0.46%) have Hallucinations.

Could Hydroxyzine pamoate cause Hallucinations?

Among these 18 people:

What is the gender of people who have Hallucinations when taking Hydroxyzine pamoate? *

female: 38.89 %
male: 61.11 %

What is the age of people who have Hallucinations when taking Hydroxyzine pamoate? *

What are other drugs people take besides Hydroxyzine pamoate? *

What are other side effects people have besides Hallucinations? *

Agitation (state of anxiety or nervous excitement): 5 people, 27.78%
Confusional State: 4 people, 22.22%
Paranoia (psychotic disorder characterized by delusions of persecution with or without grandeur): 3 people, 16.67%
Delusion (a false belief or opinion): 3 people, 16.67%
Dyspnea (difficult or laboured breathing): 3 people, 16.67%
Aggression: 3 people, 16.67%
Suicidal Ideation: 3 people, 16.67%
Consciousness - Decreased: 2 people, 11.11%
Neuroleptic Malignant Syndrome (a life-threatening neurological disorder most often caused by an adverse reaction to neuroleptic or antipsychotic agents): 2 people, 11.11%
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 2 people, 11.11%

What are the existing conditions these people have? *

Bipolar Disorder (mood disorder): 3 people, 16.67%
High Blood Pressure: 2 people, 11.11%
Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 2 people, 11.11%
Pain: 2 people, 11.11%
Sleep Disorder: 1 person, 5.56%
Ankylosing Spondylitis (type of arthritis affecting the spine): 1 person, 5.56%
Depression: 1 person, 5.56%
Diabetes: 1 person, 5.56%
Fatigue (feeling of tiredness): 1 person, 5.56%
Herpes Zoster: 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Hydroxyzine pamoate and have Hallucinations?

- Check whether Hallucinations 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 Hydroxyzine pamoate:

Hydroxyzine pamoate (4,252 reports)

Hallucinations treatments and more:

Hallucinations (98,683 reports)

Browse all side effects of Hydroxyzine pamoate:

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 Hallucinations:

Hallucinations (1,890 drugs)

Browse all the conditions that are associated with Hallucinations:

Hallucinations (2,728 conditions)

Related publications that referenced our studies

Ezeji GC, Inoue T, Bahtiyar G, Sacerdote A, "Hallucinations associated with miglitol use in a patient with chronic kidney disease and hypothyroidism", BMJ case reports, 2015 Feb .
Boschee T, DO PGY II, "Acute Hallucinations: Where Did That Come From?", , 2007 Jan .
Ezeji GC, Inoue T, Bahtiyar G, Sacerdote A, "Hallucinations associated with miglitol use in a patient with chronic kidney disease and hypothyroidism", BMJ case reports, 2015 Feb .
Boschee T, DO PGY II, "Acute Hallucinations: Where Did That Come From?", , 2007 Jan .

How the study uses the data?

The study uses data from the FDA. It is based on hydroxyzine pamoate (the active ingredients of Hydroxyzine pamoate) and Hydroxyzine pamoate (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.