Hydroxyzine and Abnormal dreams - a phase IV clinical study of FDA data

Summary:

Abnormal dreams is reported as a side effect among people who take Hydroxyzine (hydroxyzine hydrochloride), especially for people who are female, 50-59 old, have been taking the drug for < 1 month also take Chantix, and have High blood pressure.

The phase IV clinical study analyzes which people have Abnormal dreams when taking Hydroxyzine. It is created by eHealthMe based on reports of 51,890 people who have side effects when taking Hydroxyzine from the FDA, and is updated regularly.

What is Hydroxyzine?

Hydroxyzine has active ingredients of hydroxyzine hydrochloride. It is often used in stress and anxiety. eHealthMe is studying from 54,070 Hydroxyzine users. Check the latest studies of Hydroxyzine.

What is Abnormal dreams?

Abnormal dreams is found to be associated with 1,088 drugs and 1,261 conditions by eHealthMe. Check the latest studies of Abnormal dreams.

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, 02, 2026

51,890 people reported to have side effects when taking Hydroxyzine.
Among them, 198 people (0.38%) have Abnormal dreams.

Could Hydroxyzine cause Abnormal dreams?

Among these 198 people:

How long have people been on Hydroxyzine when they have Abnormal dreams? *

Click here to view more results

What is the gender of people who have Abnormal dreams when taking Hydroxyzine? *

Click here to view

* Approximation only. Some reports may have incomplete information.

Do you take Hydroxyzine and have Abnormal dreams?

- Check whether Abnormal dreams 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:

Hydroxyzine (54,070 reports)

Abnormal dreams treatments and more:

Abnormal dreams (33,380 reports)

How severe was Abnormal dreams and when was it recovered:

Abnormal dreams in Hydroxyzine

Expand to all the drugs that have ingredients of hydroxyzine hydrochloride:

Abnormal dreams and drugs with ingredients of hydroxyzine hydrochloride (266 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 Hydroxyzine:

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 Abnormal dreams:

Abnormal dreams (1,088 drugs)

Browse all the conditions that are associated with Abnormal dreams:

Abnormal dreams (1,261 conditions)

Related publications that referenced our studies

T.Audi Yanto, I.Huang, F.Nathania Kosasih, NP Hardjo Lugito, "Nightmare and Abnormal Dreams: Rare Side Effects of Metformin?", Case Reports in Endocrinology, 2018 Jan .
Ate? ?, Arikan MF, Kaplan M, Altay M, "Hydroxyzine induced pancytopenia and petechial rashes: a rare complication", Journal Of Contemporary Medicine, 2017 Jan .
T.Audi Yanto, I.Huang, F.Nathania Kosasih, NP Hardjo Lugito, "Nightmare and Abnormal Dreams: Rare Side Effects of Metformin?", Case Reports in Endocrinology, 2018 Jan .
Ate? ?, Arikan MF, Kaplan M, Altay M, "Hydroxyzine induced pancytopenia and petechial rashes: a rare complication", Journal Of Contemporary Medicine, 2017 Jan .

How the study uses the data?

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