Promethegan and Dizziness aggravated - a phase IV clinical study of FDA data

Summary:

Dizziness aggravated is reported as a side effect among people who take Promethegan (promethazine hydrochloride), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Synthroid, and have Arrhythmias.

The phase IV clinical study analyzes which people have Dizziness aggravated when taking Promethegan. It is created by eHealthMe based on reports of 417 people who have side effects when taking Promethegan from the FDA, and is updated regularly.

What is Promethegan?

Promethegan has active ingredients of promethazine hydrochloride. It is often used in nausea. eHealthMe is studying from 428 Promethegan users. Check the latest studies of Promethegan.

What is Dizziness aggravated?

Dizziness aggravated is found to be associated with 2,795 drugs and 974 conditions by eHealthMe. Check the latest studies of Dizziness aggravated.

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 Aug, 16, 2026

417 people reported to have side effects when taking Promethegan.
Among them, 20 people (4.8%) have Dizziness aggravated.

Could Promethegan cause Dizziness aggravated?

Among these 20 people:

How long have people been on Promethegan when they have Dizziness aggravated? *

What is the gender of people who have Dizziness aggravated when taking Promethegan? *

female: 89.47 %
male: 10.53 %

What is the age of people who have Dizziness aggravated when taking Promethegan? *

What are other drugs people take besides Promethegan? *

What are other side effects people have besides Dizziness aggravated? *

Weakness: 10 people, 50.00%
Headache (pain in head): 9 people, 45.00%
Fever: 8 people, 40.00%
Nausea And Vomiting: 7 people, 35.00%
High Blood Pressure: 6 people, 30.00%
Sinus Bradycardia (an unusually slow heartbeat due to heart disease): 6 people, 30.00%
Cough: 6 people, 30.00%
Diarrhea: 6 people, 30.00%
Hyperkalemia (damage to or disease of the kidney): 5 people, 25.00%
Multiple Injuries: 5 people, 25.00%

What are the existing conditions these people have? *

Arrhythmias (irregular heartbeat): 6 people, 30.00%
Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 3 people, 15.00%
Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 3 people, 15.00%
Pain: 2 people, 10.00%
Visual Impairment: 1 person, 5.00%
Depression: 1 person, 5.00%
Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 1 person, 5.00%
Back Disorder: 1 person, 5.00%
Burkitt Lymphoma (cancer of the lymphatic system): 1 person, 5.00%
Cardiac Disorder: 1 person, 5.00%

* Approximation only. Some reports may have incomplete information.

Do you take Promethegan and have Dizziness aggravated?

- Check whether Dizziness aggravated is associated with a drug or a condition
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Promethegan:

Promethegan (428 reports)

Browse all side effects of Promethegan:

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 Dizziness aggravated:

Dizziness aggravated (2,795 drugs)

Browse all the conditions that are associated with Dizziness aggravated:

Dizziness aggravated (974 conditions)

Related publications that referenced our studies

Teimoory M, Arefi M, Behnoush B, Bastani B, "Promethazine and Treatment Refractory Agitation in Clonidine Toxicity", International Journal of Medical Toxicology and Forensic Medicine, 2013 Mar .
Teimoory M, Arefi M, Behnoush B, Bastani B, "Promethazine and Treatment Refractory Agitation in Clonidine Toxicity", International Journal of Medical Toxicology and Forensic Medicine, 2013 Mar .

How the study uses the data?

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