Dyazide and Photopsia - a phase IV clinical study of FDA data

Summary:

Photopsia is reported as a side effect among people who take Dyazide (hydrochlorothiazide; triamterene), especially for people who are female, 60+ old, also take Synthroid, and have Diabetes.

The phase IV clinical study analyzes which people have Photopsia 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 Photopsia?

Photopsia (presence of perceived flashes of light) is found to be associated with 696 drugs and 808 conditions by eHealthMe. Check the latest studies of Photopsia.

On Jul, 16, 2026

11,105 people reported to have side effects when taking Dyazide.
Among them, 19 people (0.17%) have Photopsia.

Among these 19 people:

What is the gender of people who have Photopsia when taking Dyazide? *

female: 73.68 %
male: 26.32 %

What is the age of people who have Photopsia when taking Dyazide? *

What are other drugs people take besides Dyazide? *

Synthroid: 6 people, 31.58%
Accupril: 4 people, 21.05%
Doxycycline: 4 people, 21.05%
Diltiazem Hydrochloride: 4 people, 21.05%
Premarin: 4 people, 21.05%
Januvia: 4 people, 21.05%
Toprol-Xl: 3 people, 15.79%
Glucotrol: 3 people, 15.79%
Hytrin: 3 people, 15.79%
Viagra: 3 people, 15.79%

What are other side effects people have besides Photopsia? *

Drug Ineffective: 4 people, 21.05%
Migraine With Aura (headache with vision weakness): 4 people, 21.05%
Vision Blurred: 4 people, 21.05%
Vitreous Floaters (spots before the eyes): 4 people, 21.05%
Visual Acuity Reduced (reduced clearness of vision): 3 people, 15.79%
Eye Pain: 3 people, 15.79%
Vitreous Detachment (a condition of the eye in which the vitreous humour separates from the retina): 3 people, 15.79%
Visual Impairment: 2 people, 10.53%
Vitreous Haemorrhage (intraocular (inside the eye) bleeding): 2 people, 10.53%
Dry Mouth: 2 people, 10.53%

What are the existing conditions these people have? *

Diabetes: 4 people, 21.05%
Myelodysplastic Syndrome (a group of conditions that occur when the blood-forming cells in the bone marrow are damaged): 1 person, 5.26%
Menopause (end of monthly cycles in women): 1 person, 5.26%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 5.26%
Hypersensitivity: 1 person, 5.26%
Growth Of Eyelashes: 1 person, 5.26%
Glaucoma (increased fluid pressure in the eye with vision loss): 1 person, 5.26%
Cardiac Disorder: 1 person, 5.26%
Asthma: 1 person, 5.26%
Aspergillosis (an infection caused by a fungus called aspergillus): 1 person, 5.26%

* Approximation only. Some reports may have incomplete information.

Do you take Dyazide and have Photopsia?

- Check whether Photopsia 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)

Photopsia treatments and more:

Photopsia (7,832 reports)

How severe was Photopsia and when was it recovered:

Photopsia in Dyazide

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

Photopsia and drugs with ingredients of hydrochlorothiazide; triamterene

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 Photopsia:

Photopsia (696 drugs)

Browse all the conditions that are associated with Photopsia:

Photopsia (808 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.