Isoptin and Ill-defined disorder - a phase IV clinical study of FDA data

Summary:

Ill-defined disorder is reported as a side effect among people who take Isoptin (verapamil hydrochloride), especially for people who are female, 40-49 old, also take Diazepam, and have Insomnia.

The phase IV clinical study analyzes which people have Ill-defined disorder when taking Isoptin. It is created by eHealthMe based on reports of 5,465 people who have side effects when taking Isoptin from the FDA, and is updated regularly.

What is Isoptin?

Isoptin has active ingredients of verapamil hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 5,539 Isoptin users. Check the latest studies of Isoptin.

What is Ill-defined disorder?

Ill-defined disorder is found to be associated with 1,465 drugs and 1,257 conditions by eHealthMe. Check the latest studies of Ill-defined disorder.

On Jul, 13, 2026

5,465 people reported to have side effects when taking Isoptin.
Among them, 32 people (0.59%) have Ill-defined disorder.

Could Isoptin cause Ill-defined disorder?

Among these 32 people:

What is the gender of people who have Ill-defined disorder when taking Isoptin? *

female: 93.55 %
male: 6.45 %

What is the age of people who have Ill-defined disorder when taking Isoptin? *

What are other drugs people take besides Isoptin? *

Diazepam: 21 people, 65.62%
Zopiclone: 20 people, 62.50%
Prednisone: 20 people, 62.50%
Alvesco: 20 people, 62.50%
Amlodipine Besylate: 20 people, 62.50%
Benadryl: 20 people, 62.50%
Desoximetasone: 20 people, 62.50%
Mesalamine: 20 people, 62.50%
Acetaminophen: 20 people, 62.50%
Valacyclovir Hydrochloride: 20 people, 62.50%

What are other side effects people have besides Ill-defined disorder? *

Headache (pain in head): 21 people, 65.62%
Stress And Anxiety: 21 people, 65.62%
Pneumonia: 21 people, 65.62%
Joint Pain: 21 people, 65.62%
Muscle Aches (muscle pain): 20 people, 62.50%
Fatigue (feeling of tiredness): 20 people, 62.50%
Fear Of Disease: 20 people, 62.50%
Hair Loss: 20 people, 62.50%
Tongue Oedema (swelling of tongue): 20 people, 62.50%
Malaise (a feeling of general discomfort or uneasiness): 20 people, 62.50%

What are the existing conditions these people have? *

Pain: 20 people, 62.50%
Insomnia (sleeplessness): 20 people, 62.50%
Stress And Anxiety: 19 people, 59.38%
Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 8 people, 25.00%
Angioedema (rapid swelling of the dermis): 8 people, 25.00%
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): 6 people, 18.75%
Transplant Rejection (a transplant material is not worked): 1 person, 3.12%
Hypertensive Heart Disease: 1 person, 3.12%
Hepatitis B: 1 person, 3.12%
Headache (pain in head): 1 person, 3.12%

* Approximation only. Some reports may have incomplete information.

Do you take Isoptin and have Ill-defined disorder?

- Check whether Ill-defined disorder 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 Isoptin:

Isoptin (5,539 reports)

Browse all side effects of Isoptin:

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 Ill-defined disorder:

Ill-defined disorder (1,465 drugs)

Browse all the conditions that are associated with Ill-defined disorder:

Ill-defined disorder (1,257 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on verapamil hydrochloride (the active ingredients of Isoptin) and Isoptin (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.