Dyazide and Electrocardiogram t wave inversion - a phase IV clinical study of FDA data

Summary:

Electrocardiogram t wave inversion is reported as a side effect among people who take Dyazide (hydrochlorothiazide; triamterene), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Hydrochlorothiazide, and have Ill-defined disorder.

The phase IV clinical study analyzes which people have Electrocardiogram t wave inversion when taking Dyazide. It is created by eHealthMe based on reports of 11,105 people who have side effects when taking Dyazide from the FDA, and is updated regularly.

What is Dyazide?

Dyazide has active ingredients of hydrochlorothiazide; triamterene. It is often used in high blood pressure. eHealthMe is studying from 11,506 Dyazide users. Check the latest studies of Dyazide.

What is Electrocardiogram t wave inversion?

Electrocardiogram t wave inversion is found to be associated with 417 drugs and 762 conditions by eHealthMe. Check the latest studies of Electrocardiogram t wave inversion.

On Jul, 20, 2026

11,105 people reported to have side effects when taking Dyazide.
Among them, 12 people (0.11%) have Electrocardiogram t wave inversion.

Could Dyazide cause Electrocardiogram t wave inversion?

Among these 12 people:

How long have people been on Dyazide when they have Electrocardiogram t wave inversion? *

What is the gender of people who have Electrocardiogram t wave inversion when taking Dyazide? *

female: 75 %
male: 25 %

What is the age of people who have Electrocardiogram t wave inversion when taking Dyazide? *

What are other drugs people take besides Dyazide? *

What are other side effects people have besides Electrocardiogram t wave inversion? *

Nausea (feeling of having an urge to vomit): 7 people, 58.33%
Fatigue (feeling of tiredness): 7 people, 58.33%
Chest Pain: 7 people, 58.33%
Weakness: 6 people, 50.00%
Cough: 6 people, 50.00%
Heart Palpitations (feelings or sensations that your heart is pounding or racing): 6 people, 50.00%
Atrioventricular Block First Degree (heart block first degree): 6 people, 50.00%
Cardiac Failure Congestive: 6 people, 50.00%
Hypokalemia (low potassium): 5 people, 41.67%
Headache (pain in head): 5 people, 41.67%

What are the existing conditions these people have? *

Ill-Defined Disorder: 4 people, 33.33%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 8.33%
Panic Disorder: 1 person, 8.33%
Oedema Peripheral (superficial swelling): 1 person, 8.33%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 1 person, 8.33%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 1 person, 8.33%
Menopause (end of monthly cycles in women): 1 person, 8.33%
Hypersensitivity: 1 person, 8.33%
High Blood Cholesterol: 1 person, 8.33%
Headache (pain in head): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Dyazide and have Electrocardiogram t wave inversion?

- Check whether Electrocardiogram t wave inversion 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 Dyazide:

Dyazide (11,506 reports)

Electrocardiogram t wave inversion treatments and more:

Electrocardiogram t wave inversion (3,561 reports)

How severe was Electrocardiogram t wave inversion and when was it recovered:

Electrocardiogram t wave inversion in Dyazide

Expand to all the drugs that have ingredients of hydrochlorothiazide; triamterene:

Electrocardiogram t wave inversion and drugs with ingredients of hydrochlorothiazide; triamterene (17 reports)

Sub-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 Dyazide:

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 Electrocardiogram t wave inversion:

Electrocardiogram t wave inversion (417 drugs)

Browse all the conditions that are associated with Electrocardiogram t wave inversion:

Electrocardiogram t wave inversion (762 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on hydrochlorothiazide; triamterene (the active ingredients of Dyazide) and Dyazide (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.