Duragesic and Confusional state - a phase IV clinical study of FDA data

Summary:

Confusional state is reported as a side effect among people who take Duragesic (fentanyl), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Neurontin, and have Pain.

The phase IV clinical study analyzes which people have Confusional state when taking Duragesic. It is created by eHealthMe based on reports of 66,376 people who have side effects when taking Duragesic from the FDA, and is updated regularly.

What is Duragesic?

Duragesic has active ingredients of fentanyl. eHealthMe is studying from 66,597 Duragesic users. Check the latest studies of Duragesic.

What is Confusional state?

Confusional state is found to be associated with 2,718 drugs and 3,320 conditions by eHealthMe. Check the latest studies of Confusional state.

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 Sep, 01, 2026

66,376 people reported to have side effects when taking Duragesic.
Among them, 1,122 people (1.69%) have Confusional state.

Could Duragesic cause Confusional state?

Among these 1,122 people:

How long have people been on Duragesic when they have Confusional state? *

Click here to view more results

What is the gender of people who have Confusional state when taking Duragesic? *

Click here to view

* Approximation only. Some reports may have incomplete information.

Do you take Duragesic and have Confusional state?

- Check whether Confusional state 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 Duragesic:

Duragesic (66,597 reports)

Confusional state treatments and more:

Confusional state (182,510 reports)

How severe was Confusional state and when was it recovered:

Confusional state in Duragesic

Expand to all the drugs that have ingredients of fentanyl:

Confusional state and drugs with ingredients of fentanyl (2,591 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 Duragesic:

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 Confusional state:

Confusional state (2,718 drugs)

Browse all the conditions that are associated with Confusional state:

Confusional state (3,320 conditions)

How the study uses the data?

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