Vivitrol and Flank pain - a phase IV clinical study of FDA data

Summary:

Flank pain is reported as a side effect among people who take Vivitrol (naltrexone), especially for people who are male, 50-59 old, have been taking the drug for < 1 month and have Drug dependence.

The phase IV clinical study analyzes which people have Flank pain when taking Vivitrol. It is created by eHealthMe based on reports of 24,673 people who have side effects when taking Vivitrol from the FDA, and is updated regularly.

What is Vivitrol?

Vivitrol has active ingredients of naltrexone. It is often used in alcoholism. eHealthMe is studying from 25,129 Vivitrol users. Check the latest studies of Vivitrol.

What is Flank pain?

Flank pain (a distressing sensation experienced around the lower back and the upper abdomen) is found to be associated with 1,121 drugs and 1,478 conditions by eHealthMe. Check the latest studies of Flank pain.

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 Jul, 27, 2026

24,673 people reported to have side effects when taking Vivitrol.
Among them, 12 people (0.05%) have Flank pain.

Among these 12 people:

How long have people been on Vivitrol when they have Flank pain? *

What is the gender of people who have Flank pain when taking Vivitrol? *

female: 42.86 %
male: 57.14 %

What is the age of people who have Flank pain when taking Vivitrol? *

What are other side effects people have besides Flank pain? *

Back Pain: 4 people, 33.33%
Kidney Stones: 4 people, 33.33%
Malaise (a feeling of general discomfort or uneasiness): 3 people, 25.00%
Renal Pain (kidney pain): 3 people, 25.00%
Fatigue (feeling of tiredness): 3 people, 25.00%
Oropharyngeal Pain: 2 people, 16.67%
Weakness: 2 people, 16.67%
Abdominal Pain Upper: 2 people, 16.67%
Hepatic Pain (pain in liver): 2 people, 16.67%
Nausea And Vomiting: 2 people, 16.67%

What are the existing conditions these people have? *

Drug Dependence: 5 people, 41.67%

* Approximation only. Some reports may have incomplete information.

Do you take Vivitrol and have Flank pain?

- Check whether Flank pain 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 Vivitrol:

Vivitrol (25,129 reports)

Flank pain treatments and more:

Flank pain (12,893 reports)

Browse all side effects of Vivitrol:

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 Flank pain:

Flank pain (1,121 drugs)

Browse all the conditions that are associated with Flank pain:

Flank pain (1,478 conditions)

How the study uses the data?

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