Omegaven and Weight increased - a phase IV clinical study of FDA data

Summary:

Weight increased is reported as a side effect among people who take Omegaven (fish oil triglycerides), especially for people who are male, 2-9 old, also take Ursodiol, and have Short-bowel syndrome.

The phase IV clinical study analyzes which people have Weight increased when taking Omegaven. It is created by eHealthMe based on reports of 150 people who have side effects when taking Omegaven from the FDA, and is updated regularly.

What is Omegaven?

Omegaven has active ingredients of fish oil triglycerides. eHealthMe is studying from 150 Omegaven users. Check the latest studies of Omegaven.

What is Weight increased?

Weight increased is found to be associated with 2,887 drugs and 3,963 conditions by eHealthMe. Check the latest studies of Weight 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 Jul, 27, 2026

150 people reported to have side effects when taking Omegaven.
Among them, 11 people (7.33%) have Weight increased.

Among these 11 people:

What is the gender of people who have Weight increased when taking Omegaven? *

female: 0.0 %
male: 100 %

What is the age of people who have Weight increased when taking Omegaven? *

What are other drugs people take besides Omegaven? *

Ursodiol: 9 people, 81.82%
Vitamin D: 5 people, 45.45%
Vitamin B12: 5 people, 45.45%
Pyridoxine Hydrochloride: 5 people, 45.45%
Keppra: 5 people, 45.45%
Omeprazole: 4 people, 36.36%
Nystatin: 4 people, 36.36%
Methylphenidate: 4 people, 36.36%
Melatonin: 4 people, 36.36%
Fluoxetine: 4 people, 36.36%

What are other side effects people have besides Weight increased? *

Headache (pain in head): 5 people, 45.45%
Nausea And Vomiting: 5 people, 45.45%
Body Temperature Decreased: 5 people, 45.45%
Catheter Site Cellulitis (infection of cells near catheter): 5 people, 45.45%
Diarrhea: 5 people, 45.45%
Dumping Syndrome (a condition that can develop after surgery to remove all or part of your stomach or after surgery to bypass your stomach to help you lose weight): 5 people, 45.45%
Faeces Discolored: 5 people, 45.45%
Flatulence (flatus expelled through the anus): 5 people, 45.45%
Memory Loss: 5 people, 45.45%
Abnormal Faeces (abnormal stool): 5 people, 45.45%

What are the existing conditions these people have? *

Short-Bowel Syndrome (a condition in which the body cannot absorb enough fluids and nutrients because part of the small intestine is missing): 10 people, 90.91%

* Approximation only. Some reports may have incomplete information.

Do you take Omegaven and have Weight increased?

- Check whether Weight 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 Omegaven:

Omegaven (150 reports)

Weight increased treatments and more:

Weight increased (279,370 reports)

Browse all side effects of Omegaven:

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 Weight increased:

Weight increased (2,887 drugs)

Browse all the conditions that are associated with Weight increased:

Weight increased (3,963 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on fish oil triglycerides (the active ingredients of Omegaven) and Omegaven (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.