Avalide and Abnormal behavior - a phase IV clinical study of FDA data

Summary:

Abnormal behavior is reported as a side effect among people who take Avalide (hydrochlorothiazide; irbesartan), especially for people who are male, 60+ old, have been taking the drug for 6 - 12 months also take Chantix, and have Quit smoking.

The phase IV clinical study analyzes which people have Abnormal behavior when taking Avalide. It is created by eHealthMe based on reports of 5,642 people who have side effects when taking Avalide from the FDA, and is updated regularly.

What is Avalide?

Avalide has active ingredients of hydrochlorothiazide; irbesartan. It is often used in high blood pressure. eHealthMe is studying from 5,943 Avalide users. Check the latest studies of Avalide.

What is Abnormal behavior?

Abnormal behavior is found to be associated with 1,379 drugs and 1,942 conditions by eHealthMe. Check the latest studies of Abnormal behavior.



On May, 10, 2026

5,642 people reported to have side effects when taking Avalide.
Among them, 9 people (0.16%) have Abnormal behavior.

Could Avalide cause Abnormal behavior?

Among these 9 people:

How long have people been on Avalide when they have Abnormal behavior? *

  • < 1 month: 0.0 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 100 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Abnormal behavior when taking Avalide? *

  • female: 44.44 %
  • male: 55.56 %

What is the age of people who have Abnormal behavior when taking Avalide? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 14.29 %
  • 40-49: 0.0 %
  • 50-59: 28.57 %
  • 60+: 57.14 %

What are other drugs people take besides Avalide? *

  1. Chantix: 4 people, 44.44%
  2. Flaxseed: 3 people, 33.33%
  3. Lexapro: 3 people, 33.33%
  4. Zantac: 3 people, 33.33%
  5. Belsomra: 3 people, 33.33%
  6. Protonix: 3 people, 33.33%
  7. Synthroid: 2 people, 22.22%
  8. Paxil: 2 people, 22.22%
  9. Percocet: 2 people, 22.22%
  10. Rozerem: 2 people, 22.22%

What are other side effects people have besides Abnormal behavior? *

  1. Stress And Anxiety: 5 people, 55.56%
  2. Aggression: 4 people, 44.44%
  3. Impaired Driving Ability: 4 people, 44.44%
  4. Weight Decreased: 3 people, 33.33%
  5. Irritability: 3 people, 33.33%
  6. Insomnia (sleeplessness): 3 people, 33.33%
  7. Dyspnea (difficult or laboured breathing): 3 people, 33.33%
  8. Weakness: 3 people, 33.33%
  9. Fever: 2 people, 22.22%
  10. Memory Loss: 2 people, 22.22%

What are the existing conditions these people have? *

  1. Quit Smoking: 4 people, 44.44%
  2. Sleep Apnea Syndrome: 3 people, 33.33%
  3. Depression: 3 people, 33.33%
  4. Pain: 3 people, 33.33%
  5. Insomnia (sleeplessness): 3 people, 33.33%
  6. Type 2 Diabetes: 1 person, 11.11%
  7. Hyperlipidaemia (presence of excess lipids in the blood): 1 person, 11.11%
  8. Allergic Rhinitis: 1 person, 11.11%
  9. Androgen Deficiency: 1 person, 11.11%
  10. Emphysema (chronic respiratory disease - over inflation of the air sacs (alveoli) in the lungs): 1 person, 11.11%

* Approximation only. Some reports may have incomplete information.

Do you take Avalide and have Abnormal behavior?

- Check whether Abnormal behavior 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 Avalide:

Abnormal behavior treatments and more:

How severe was Abnormal behavior and when was it recovered:

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

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 Avalide:

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 Abnormal behavior:

Browse all the conditions that are associated with Abnormal behavior:


How the study uses the data?

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



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