Felodipine and Encephalopathy - a phase IV clinical study of FDA data

Summary:

Encephalopathy is reported as a side effect among people who take Felodipine (felodipine), especially for people who are male, 60+ old, also take Atenolol, and have Hepatocellular carcinoma.

The phase IV clinical study analyzes which people have Encephalopathy when taking Felodipine. It is created by eHealthMe based on reports of 14,707 people who have side effects when taking Felodipine from the FDA, and is updated regularly.

What is Felodipine?

Felodipine has active ingredients of felodipine. It is often used in high blood pressure. eHealthMe is studying from 15,120 Felodipine users. Check the latest studies of Felodipine.

What is Encephalopathy?

Encephalopathy (functioning of the brain is affected by some agent or condition) is found to be associated with 1,459 drugs and 1,606 conditions by eHealthMe. Check the latest studies of Encephalopathy.

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, 31, 2026

14,707 people reported to have side effects when taking Felodipine.
Among them, 17 people (0.12%) have Encephalopathy.

Among these 17 people:

What is the gender of people who have Encephalopathy when taking Felodipine? *

female: 29.41 %
male: 70.59 %

What is the age of people who have Encephalopathy when taking Felodipine? *

What are other drugs people take besides Felodipine? *

Atenolol: 6 people, 35.29%
Acetylsalicylic Acid: 3 people, 17.65%
Temazepam: 3 people, 17.65%
Morphine: 3 people, 17.65%
Metoprolol Tartrate: 3 people, 17.65%
Lopressor: 3 people, 17.65%
Isosorbide Mononitrate: 3 people, 17.65%
Clonidine: 3 people, 17.65%
Celebrex: 3 people, 17.65%
Omeprazole: 3 people, 17.65%

What are other side effects people have besides Encephalopathy? *

Metabolic Acidosis (body produces too much acid, or when the kidneys are not removing enough acid from the body): 5 people, 29.41%
Nausea (feeling of having an urge to vomit): 4 people, 23.53%
Acute Kidney Failure: 4 people, 23.53%
Multi-Organ Failure (multisystem organ failure): 4 people, 23.53%
Respiratory Acidosis (respiratory failure or ventilatory failure, causes the ph of blood and other bodily fluids to decrease): 4 people, 23.53%
Sepsis (a severe blood infection that can lead to organ failure and death): 3 people, 17.65%
Hypotension (abnormally low blood pressure): 3 people, 17.65%
Heparin-Induced Thrombocytopenia: 3 people, 17.65%
Nausea And Vomiting: 3 people, 17.65%
Unresponsive To Stimuli: 3 people, 17.65%

What are the existing conditions these people have? *

Viith Nerve Paralysis: 1 person, 5.88%
Ventricular Extrasystoles (premature cardiac contraction): 1 person, 5.88%
Back Pain: 1 person, 5.88%
Bronchitis Chronic (inflammation of the mucous membrane in the bronchial tubes- chronic): 1 person, 5.88%
Cholangitis (infection of the bile duct): 1 person, 5.88%
Coronary Heart Disease (narrowing or blockage of the coronary arteries): 1 person, 5.88%
Cough: 1 person, 5.88%
Depression: 1 person, 5.88%
Diabetes: 1 person, 5.88%
Hepatocellular Carcinoma (liver cancer): 1 person, 5.88%

* Approximation only. Some reports may have incomplete information.

Do you take Felodipine and have Encephalopathy?

- Check whether Encephalopathy 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 Felodipine:

Felodipine (15,120 reports)

Encephalopathy treatments and more:

Encephalopathy (27,832 reports)

Browse all side effects of Felodipine:

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 Encephalopathy:

Encephalopathy (1,459 drugs)

Browse all the conditions that are associated with Encephalopathy:

Encephalopathy (1,606 conditions)

Related publications that referenced our studies

Kapoor A, Kumar V, Beniwal S, Dutta S, Goyal S, Kumar HS, "Posterior reversible encephalopathy syndrome in non-Hodgkin's lymphoma: Not necessarily reversible!", Clinical Cancer Investigation Journal, 2015 Mar .
Kapoor A, Kumar V, Beniwal S, Dutta S, Goyal S, Kumar HS, "Posterior reversible encephalopathy syndrome in non-Hodgkin's lymphoma: Not necessarily reversible!", Clinical Cancer Investigation Journal, 2015 Mar .

How the study uses the data?

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