Norvasc and Drug level increased - a phase IV clinical study of FDA data

Summary:

Drug level increased is reported as a side effect among people who take Norvasc (amlodipine besylate), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Lipitor, and have Hyperlipidaemia.

The phase IV clinical study analyzes which people have Drug level increased 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 Drug level increased?

Drug level increased is found to be associated with 875 drugs and 1,136 conditions by eHealthMe. Check the latest studies of Drug level increased.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 30, 2026

133,505 people reported to have side effects when taking Norvasc.
Among them, 125 people (0.09%) have Drug level increased.

Could Norvasc cause Drug level increased?

Among these 125 people:

How long have people been on Norvasc when they have Drug level increased? *

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What is the gender of people who have Drug level increased when taking Norvasc? *

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* Approximation only. Some reports may have incomplete information.

Do you take Norvasc and have Drug level increased?

- Check whether Drug level increased 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)

Drug level increased treatments and more:

Drug level increased (19,249 reports)

How severe was Drug level increased and when was it recovered:

Drug level increased in Norvasc

Expand to all the drugs that have ingredients of amlodipine besylate:

Drug level increased and drugs with ingredients of amlodipine besylate (1,099 reports)

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 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 Drug level increased:

Drug level increased (875 drugs)

Browse all the conditions that are associated with Drug level increased:

Drug level increased (1,136 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.