Fentanyl and Abnormal behaviour - a phase IV clinical study of FDA data
Summary:
Abnormal behaviour is reported as a side effect among people who take Fentanyl (fentanyl citrate), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Prednisone, and have Insomnia.
The phase IV clinical study analyzes which people have Abnormal behaviour when taking Fentanyl. It is created by eHealthMe based on reports of 72,646 people who have side effects when taking Fentanyl from the FDA, and is updated regularly.
What is Fentanyl?
Fentanyl has active ingredients of fentanyl citrate. It is often used in pain. eHealthMe is studying from 73,301 Fentanyl users. Check the latest studies of Fentanyl.
What is Abnormal behaviour?
Abnormal behaviour is found to be associated with 1,853 drugs and 2,166 conditions by eHealthMe. Check the latest studies of Abnormal behaviour.
72,646 people reported to have side effects when taking Fentanyl.
Among them, 258 people (0.36%) have Abnormal behaviour.

Among these 258 people:
How long have people been on Fentanyl when they have Abnormal behaviour? *
What is the gender of people who have Abnormal behaviour when taking Fentanyl? *
What is the age of people who have Abnormal behaviour when taking Fentanyl? *
What are other drugs people take besides Fentanyl? *
What are other side effects people have besides Abnormal behaviour? *
What are the existing conditions these people have? *
* Approximation only. Some reports may have incomplete information.
Do you take Fentanyl and have Abnormal behaviour?
- Check whether Abnormal behaviour is associated with a drug or a condition (FREE)
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Related studies:
Effectiveness of, long term effects of, and alternative drugs to Fentanyl:
- Fentanyl (73,301 reports)
Abnormal behaviour treatments and more:
- Abnormal behaviour (51,307 reports)
How severe was Abnormal behaviour and when was it recovered:
Expand to all the drugs that have ingredients of fentanyl citrate:
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+
Common Fentanyl side effects:
- Fentanyl side effect: Death (5,026 reports)
- Fentanyl side effect: Overdose (4,212 reports)
- Fentanyl side effect: Dependence (3,858 reports)
- Fentanyl side effect: Hypotension (abnormally low blood pressure) (3,753 reports)
Browse all side effects of Fentanyl:
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 zCommon drugs associated with Abnormal behaviour:
- Chantix side effect: Abnormal behaviour (2,504 reports)
- Nuplazid side effect: Abnormal behaviour (1,795 reports)
- Seroquel side effect: Abnormal behaviour (1,452 reports)
- Tamiflu side effect: Abnormal behaviour (1,385 reports)
- Singulair side effect: Abnormal behaviour (1,365 reports)
- Abilify side effect: Abnormal behaviour (1,344 reports)
- Clonazepam side effect: Abnormal behaviour (1,343 reports)
- Zoloft side effect: Abnormal behaviour (1,256 reports)
- Paxil side effect: Abnormal behaviour (1,209 reports)
- Aspirin side effect: Abnormal behaviour (1,185 reports)
Browse all the drugs that are associated with Abnormal behaviour:
- Abnormal behaviour (1,853 drugs)
Common conditions associated with Abnormal behaviour:
- Depression: 3,069 reports
- Childhood hyperkinesis: 2,683 reports
- Smoking cessation: 1,988 reports
- Shaking palsy: 1,664 reports
- Pain exacerbated: 1,586 reports
- Pain relief: 1,584 reports
- Schizophrenia: 1,544 reports
- Anxiety: 1,538 reports
- Feeling uptight: 1,536 reports
- Anxiety and stress: 1,518 reports
Browse all the conditions that are associated with Abnormal behaviour:
- Abnormal behaviour (2,166 conditions)
Drugs similar to Fentanyl and Abnormal behaviour :
- Acetaminophen side effect: Abnormal behaviour
- Advil side effect: Abnormal behaviour
- Aleve side effect: Abnormal behaviour
- Amitriptyline hydrochloride side effect: Abnormal behaviour
- Aspirin side effect: Abnormal behaviour
- Celebrex side effect: Abnormal behaviour
- Codeine side effect: Abnormal behaviour
- Cymbalta side effect: Abnormal behaviour
- Darvocet side effect: Abnormal behaviour
- Darvocet-n 100 side effect: Abnormal behaviour
- Dilaudid side effect: Abnormal behaviour
- Flexeril side effect: Abnormal behaviour
- Gabapentin side effect: Abnormal behaviour
- Hydrocodone bitartrate and acetaminophen side effect: Abnormal behaviour
- Hydromorphone hydrochloride side effect: Abnormal behaviour
- Ibu side effect: Abnormal behaviour
- Ibuprofen side effect: Abnormal behaviour
- Lortab side effect: Abnormal behaviour
- Lyrica side effect: Abnormal behaviour
- Meloxicam side effect: Abnormal behaviour
- Methadone hydrochloride side effect: Abnormal behaviour
- Morphine side effect: Abnormal behaviour
- Morphine sulfate side effect: Abnormal behaviour
- Motrin side effect: Abnormal behaviour
- Naproxen side effect: Abnormal behaviour
- Neurontin side effect: Abnormal behaviour
- Norco side effect: Abnormal behaviour
- Oxycodone side effect: Abnormal behaviour
- Oxycodone and acetaminophen side effect: Abnormal behaviour
- Oxycodone hydrochloride side effect: Abnormal behaviour
- Oxycontin side effect: Abnormal behaviour
- Paracetamol side effect: Abnormal behaviour
- Percocet side effect: Abnormal behaviour
- Profen side effect: Abnormal behaviour
- Suboxone side effect: Abnormal behaviour
- Tramadol side effect: Abnormal behaviour
- Tramadol hydrochloride side effect: Abnormal behaviour
- Tylenol side effect: Abnormal behaviour
- Tylenol w/ codeine side effect: Abnormal behaviour
- Tylenol w/ codeine no. 3 side effect: Abnormal behaviour
- Ultram side effect: Abnormal behaviour
- Vicodin side effect: Abnormal behaviour
- Vicodin es side effect: Abnormal behaviour
How the study uses the data?
The study uses data from the FDA. It is based on fentanyl citrate (the active ingredients of Fentanyl) and Fentanyl (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.
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