Vistaril and Trismus - a phase IV clinical study of FDA data

Summary:

Trismus is reported as a side effect among people who take Vistaril (hydroxyzine hydrochloride), especially for people who are female, 40-49 old, also take Percocet, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Trismus when taking Vistaril. It is created by eHealthMe based on reports of 8,641 people who have side effects when taking Vistaril from the FDA, and is updated regularly.

What is Vistaril?

Vistaril has active ingredients of hydroxyzine hydrochloride. It is often used in stress and anxiety. eHealthMe is studying from 9,565 Vistaril users. Check the latest studies of Vistaril.

What is Trismus?

Trismus (reduced opening of the jaws) is found to be associated with 593 drugs and 762 conditions by eHealthMe. Check the latest studies of Trismus.

On Jul, 20, 2026

8,641 people reported to have side effects when taking Vistaril.
Among them, 16 people (0.19%) have Trismus.

Among these 16 people:

What is the gender of people who have Trismus when taking Vistaril? *

female: 81.25 %
male: 18.75 %

What is the age of people who have Trismus when taking Vistaril? *

What are other drugs people take besides Vistaril? *

What are other side effects people have besides Trismus? *

Pain In Jaw: 10 people, 62.50%
Tooth Loss: 10 people, 62.50%
Weakness: 9 people, 56.25%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 9 people, 56.25%
Periodontal Disease (disease that attacks the gum and bone and around the teeth): 9 people, 56.25%
Pain: 9 people, 56.25%
Osteomyelitis (infection of bone): 9 people, 56.25%
Neuropathy Peripheral (surface nerve damage): 9 people, 56.25%
Gingivitis (inflammation of gums): 9 people, 56.25%
Emotional Distress: 9 people, 56.25%

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 9 people, 56.25%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 6.25%
Psychotic Disorder: 1 person, 6.25%
Post-Traumatic Stress Disorder: 1 person, 6.25%
Neck Pain: 1 person, 6.25%
Migraine (headache): 1 person, 6.25%
Gastrointestinal Pain: 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Vistaril and have Trismus?

- Check whether Trismus 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 Vistaril:

Vistaril (9,565 reports)

Trismus treatments and more:

Trismus (6,560 reports)

Browse all side effects of Vistaril:

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 Trismus:

Trismus (593 drugs)

Browse all the conditions that are associated with Trismus:

Trismus (762 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 .
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 Vistaril) and Vistaril (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.