Hydroxyzine and Gynecomastia - a phase IV clinical study of FDA data

Summary:

Gynecomastia is reported as a side effect among people who take Hydroxyzine (hydroxyzine hydrochloride), especially for people who are male, 40-49 old, have been taking the drug for 1 - 6 months also take Zometa, and have Prostate cancer.

The phase IV clinical study analyzes which people have Gynecomastia 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 54,069 Hydroxyzine users. Check the latest studies of Hydroxyzine.

What is Gynecomastia?

Gynecomastia (enlargement of the gland tissue of the male breast) is found to be associated with 684 drugs and 1,003 conditions by eHealthMe. Check the latest studies of Gynecomastia.

On Jul, 09, 2026

51,890 people reported to have side effects when taking Hydroxyzine.
Among them, 24 people (0.05%) have Gynecomastia.

Among these 24 people:

How long have people been on Hydroxyzine when they have Gynecomastia? *

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

female: 0.0 %
male: 100 %

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

What are other drugs people take besides Hydroxyzine? *

Zometa: 10 people, 41.67%
Percocet: 9 people, 37.50%
Gabapentin: 9 people, 37.50%
Bextra: 9 people, 37.50%
Ibuprofen: 8 people, 33.33%
Seroquel: 7 people, 29.17%
Chlorhexidine Gluconate: 7 people, 29.17%
Simvastatin: 7 people, 29.17%
Nizoral: 6 people, 25.00%
Flonase: 6 people, 25.00%

What are other side effects people have besides Gynecomastia? *

Anaemia (lack of blood): 10 people, 41.67%
Osteonecrosis Of Jaw (death of bone of jaw): 10 people, 41.67%
Nausea (feeling of having an urge to vomit): 9 people, 37.50%
Urination - Painful: 9 people, 37.50%
Pain In Jaw: 9 people, 37.50%
Gums - Swollen: 8 people, 33.33%
Diverticulum (out pouching of a hollow (or a fluid-filled) structure in the body): 7 people, 29.17%
Bone Disorder: 7 people, 29.17%
Pain: 7 people, 29.17%
Fatigue (feeling of tiredness): 7 people, 29.17%

What are the existing conditions these people have? *

Prostate Cancer: 8 people, 33.33%
Bipolar Disorder (mood disorder): 4 people, 16.67%
Generalized Anxiety Disorder (excessive, uncontrollable, unexplained and often irrational worry): 4 people, 16.67%
Psychotic Disorder: 3 people, 12.50%
Type 2 Diabetes: 2 people, 8.33%
Mental Disorder (a psychological term for a mental or behavioural pattern or anomaly that causes distress or disability): 2 people, 8.33%
Autism Spectrum Disorder (developmental disabilities that can cause significant social, communication and behavioural challenges): 2 people, 8.33%
Bone Pain: 2 people, 8.33%
Disturbance In Social Behavior: 2 people, 8.33%
Eating Disorder: 2 people, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Hydroxyzine and have Gynecomastia?

- Check whether Gynecomastia 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 (54,069 reports)

Gynecomastia treatments and more:

Gynecomastia (48,580 reports)

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 Gynecomastia:

Gynecomastia (684 drugs)

Browse all the conditions that are associated with Gynecomastia:

Gynecomastia (1,003 conditions)

Related publications that referenced our studies

Ate? ?, Arikan MF, Kaplan M, Altay M, "Hydroxyzine induced pancytopenia and petechial rashes: a rare complication", Journal Of Contemporary Medicine, 2017 Jan .
Coskun M, Adak I, Akaltun I, "Bilateral gynecomastia in a preadolescent boy while under treatment with methylphenidate and paroxetine", Journal of clinical psychopharmacology, 2014 Aug .
Ate? ?, Arikan MF, Kaplan M, Altay M, "Hydroxyzine induced pancytopenia and petechial rashes: a rare complication", Journal Of Contemporary Medicine, 2017 Jan .
Coskun M, Adak I, Akaltun I, "Bilateral gynecomastia in a preadolescent boy while under treatment with methylphenidate and paroxetine", Journal of clinical psychopharmacology, 2014 Aug .

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.

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