Norvasc and Complex partial seizures - a phase IV clinical study of FDA data

Summary:

Complex partial seizures is reported as a side effect among people who take Norvasc (amlodipine besylate), especially for people who are male, 40-49 old, also take Rezulin, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Complex partial seizures when taking Norvasc. It is created by eHealthMe based on reports of 133,505 people who have side effects when taking Norvasc from the FDA, and is updated regularly.

What is Norvasc?

Norvasc has active ingredients of amlodipine besylate. It is often used in high blood pressure. eHealthMe is studying from 136,738 Norvasc users. Check the latest studies of Norvasc.

What is Complex partial seizures?

Complex partial seizures (epileptic seizure) is found to be associated with 219 drugs and 440 conditions by eHealthMe. Check the latest studies of Complex partial seizures.

On Jul, 20, 2026

133,505 people reported to have side effects when taking Norvasc.
Among them, 14 people (0.01%) have Complex partial seizures.

Could Norvasc cause Complex partial seizures?

Among these 14 people:

What is the gender of people who have Complex partial seizures when taking Norvasc? *

female: 50 %
male: 50 %

What is the age of people who have Complex partial seizures when taking Norvasc? *

What are other drugs people take besides Norvasc? *

What are other side effects people have besides Complex partial seizures? *

Transient Ischaemic Attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow)): 4 people, 28.57%
Weakness: 4 people, 28.57%
Dizziness: 4 people, 28.57%
Oedema Peripheral (superficial swelling): 4 people, 28.57%
Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 4 people, 28.57%
Weight Loss: 3 people, 21.43%
Drug Ineffective: 3 people, 21.43%
Fatigue (feeling of tiredness): 3 people, 21.43%
Headache (pain in head): 3 people, 21.43%
Pain: 3 people, 21.43%

What are the existing conditions these people have? *

Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 21.43%
Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue): 1 person, 7.14%
Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 1 person, 7.14%
Osteoarthritis (a joint disease caused by cartilage loss in a joint): 1 person, 7.14%
Hyperthyroidism (over activity of the thyroid gland): 1 person, 7.14%
Glioblastoma Multiforme (most common and deadliest of malignant primary brain tumours in adults): 1 person, 7.14%
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 1 person, 7.14%
Cardiac Disorder: 1 person, 7.14%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 1 person, 7.14%

* Approximation only. Some reports may have incomplete information.

Do you take Norvasc and have Complex partial seizures?

- Check whether Complex partial seizures 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 Norvasc:

Norvasc (136,738 reports)

Browse all side effects of Norvasc:

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 Complex partial seizures:

Complex partial seizures (219 drugs)

Browse all the conditions that are associated with Complex partial seizures:

Complex partial seizures (440 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on amlodipine besylate (the active ingredients of Norvasc) and Norvasc (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.