Promethazine and Viibryd drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Promethazine (promethazine hydrochloride) and Viibryd (vilazodone hydrochloride). Common drug interactions include bipolar disorder among females and chronic kidney disease among males.
The phase IV clinical study analyzes what interactions people have when they take Promethazine and Viibryd. It is created by eHealthMe based on reports of 187 people who take the same drugs from the FDA, and is updated regularly.
What is Promethazine?
Promethazine has active ingredients of promethazine hydrochloride. It is often used in nausea. eHealthMe is studying from 32,300 Promethazine users. Check the latest studies of Promethazine.
What is Viibryd?
Viibryd has active ingredients of vilazodone hydrochloride. It is often used in depression. eHealthMe is studying from 11,106 Viibryd users. Check the latest studies of Viibryd.
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 >>>.
187 people who take Promethazine and Viibryd together, and have interactions are studied.

What are the common drug interactions of Promethazine and Viibryd, by gender? *
What are the common drug interactions of Promethazine and Viibryd, by age (0-1 to 60+)? *
What are the existing conditions these people have? *
* Approximation only. Some reports may have incomplete information.
Do you take Promethazine and Viibryd?
- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously
Related studies:
Effectiveness of, side effects of, and alternative drugs to the 2 drugs:
- Promethazine (32,300 reports)
- Viibryd (11,106 reports)
Browse all drug interactions of Promethazine and Viibryd:
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 zSub-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 Promethazine:
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 zBrowse all side effects of Viibryd:
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 zBrowse all interactions between Promethazine and drugs from A to Z:
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 zBrowse all interactions between Viibryd and drugs from A to Z:
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 zRelated 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 and vilazodone hydrochloride (the active ingredients of Promethazine and Viibryd, respectively), and Promethazine and Viibryd (the brand names). 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.
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