Tarka vs. Chlorthalidone: side effect and effectiveness comparison (a real world drug study)
Summary:
We compare the side effects and drug effectiveness of Tarka and Chlorthalidone. The phase IV clinical study is created by eHealthMe based on reports (from sources including the FDA) of 16,515 people who take Tarka and Chlorthalidone, and is updated regularly.
What is Tarka?
Tarka has active ingredients of trandolapril; verapamil hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 2,409 Tarka users. Check the latest studies of Tarka.
What is Chlorthalidone?
Chlorthalidone has active ingredients of chlorthalidone. It is often used in high blood pressure. eHealthMe is studying from 12,482 Chlorthalidone users. Check the latest studies of Chlorthalidone.
16,515 people who take Tarka and Chlorthalidone are studied.

Drugs being compared in this study:
- Tarka (trandolapril; verapamil hydrochloride)
- Chlorthalidone (chlorthalidone)
Most common side effects of the drugs, overall:
Most common side effects of the drugs, in long term (1+ years) use:
Drug effectiveness:
Tarka:
- not at all: 0 %
- somewhat: 6.9 %
- moderate: 31.03 %
- high: 48.28 %
- very high: 13.79 %
Chlorthalidone:
- not at all: 3.34 %
- somewhat: 21.34 %
- moderate: 31.62 %
- high: 35.22 %
- very high: 8.48 %
Want to compare Tarka with Chlorthalidone?
- Personalize this study to your gender and age (0-99+)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.
Related studies
Alternative drugs to, pros and cons of:
- Tarka (2,362 reports)
- Chlorthalidone (11,959 reports)
Browse all side effects of Tarka:
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 Chlorthalidone:
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 zHow the study uses the data?
The study is based on trandolapril; verapamil hydrochloride and chlorthalidone (the active ingredients of Tarka and Chlorthalidone, respectively). Other drugs that have the same active ingredients (e.g. generic drugs or brand names) are also considered. Dosage of drugs is not considered in the study.
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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