Hydrochlorothiazide and Brain abscess - a phase IV clinical study of FDA data

Summary:

Brain abscess is reported as a side effect among people who take Hydrochlorothiazide (hydrochlorothiazide), especially for people who are male, 60+ old, also take Acetaminophen, and have Atrial fibrillation/flutter.

The phase IV clinical study analyzes which people have Brain abscess when taking Hydrochlorothiazide. It is created by eHealthMe based on reports of 177,544 people who have side effects when taking Hydrochlorothiazide from the FDA, and is updated regularly.

What is Hydrochlorothiazide?

Hydrochlorothiazide has active ingredients of hydrochlorothiazide. It is often used in high blood pressure. eHealthMe is studying from 182,194 Hydrochlorothiazide users. Check the latest studies of Hydrochlorothiazide.

What is Brain abscess?

Brain abscess is found to be associated with 227 drugs and 624 conditions by eHealthMe. Check the latest studies of Brain abscess.

On Apr, 29, 2026

177,544 people reported to have side effects when taking Hydrochlorothiazide.
Among them, 22 people (0.01%) have Brain abscess.

Could Hydrochlorothiazide cause Brain abscess?

Among these 22 people:

What is the gender of people who have Brain abscess when taking Hydrochlorothiazide? *

female: 31.58 %
male: 68.42 %

What is the age of people who have Brain abscess when taking Hydrochlorothiazide? *

What are other drugs people take besides Hydrochlorothiazide? *

What are other side effects people have besides Brain abscess? *

Sinusitis (inflammation of sinus): 4 people, 18.18%
Acquired Immunodeficiency Syndrome (disease of the human immune system caused by the human immunodeficiency virus (hiv)): 3 people, 13.64%
Pneumonia: 3 people, 13.64%
Non-Hodgkin's Lymphoma (malignant (cancer) cells form in the lymph system): 3 people, 13.64%
Migraine (headache): 2 people, 9.09%
Headache (pain in head): 2 people, 9.09%
Blindness Unilateral: 2 people, 9.09%
Joint Pain: 2 people, 9.09%
Drug Hypersensitivity: 1 person, 4.55%
Drowsiness: 1 person, 4.55%

What are the existing conditions these people have? *

Polycythaemia Vera (blood disorder in which the bone marrow makes too many red blood cells): 9 people, 40.91%
Gastritis (inflammation of stomach): 9 people, 40.91%
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): 9 people, 40.91%
Hiv Infection: 3 people, 13.64%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 2 people, 9.09%
Squamous Cell Carcinoma (a cancer of a kind of epithelial cell): 1 person, 4.55%
Neuropathy Peripheral (surface nerve damage): 1 person, 4.55%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 1 person, 4.55%
Hereditary Haemorrhagic Telangiectasia (hereditary -development of multiple abnormalities in the blood vessels): 1 person, 4.55%
Felty's Syndrome (a combination of rheumatoid arthritis, an enlarged spleen, an abnormally low white blood count): 1 person, 4.55%

* Approximation only. Some reports may have incomplete information.

Do you take Hydrochlorothiazide and have Brain abscess?

- Check whether Brain abscess 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 Hydrochlorothiazide:

Hydrochlorothiazide (182,194 reports)

Brain abscess treatments and more:

Brain abscess (3,459 reports)

Browse all side effects of Hydrochlorothiazide:

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 Brain abscess:

Brain abscess (227 drugs)

Browse all the conditions that are associated with Brain abscess:

Brain abscess (624 conditions)

How the study uses the data?

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