Omega-3 and Fainting - a phase IV clinical study of FDA data

Summary:

Fainting is reported as a side effect among people who take Omega-3 (cod liver oil), especially for people who are male, 60+ old, also take Aspirin, and have Rheumatoid arthritis.

The phase IV clinical study analyzes which people have Fainting when taking Omega-3. It is created by eHealthMe based on reports of 2,795 people who have side effects when taking Omega-3 from the FDA, and is updated regularly.

What is Omega-3?

Omega-3 has active ingredients of cod liver oil. It is often used in high blood cholesterol. eHealthMe is studying from 3,482 Omega-3 users. Check the latest studies of Omega-3.

What is Fainting?

Fainting (loss of consciousness and postural tone) is found to be associated with 2,463 drugs and 3,546 conditions by eHealthMe. Check the latest studies of Fainting.

On Apr, 10, 2026

2,795 people reported to have side effects when taking Omega-3.
Among them, 22 people (0.79%) have Fainting.

Among these 22 people:

What is the gender of people who have Fainting when taking Omega-3? *

female: 45.45 %
male: 54.55 %

What is the age of people who have Fainting when taking Omega-3? *

What are other drugs people take besides Omega-3? *

What are other side effects people have besides Fainting? *

Fever: 4 people, 18.18%
Head Injury: 4 people, 18.18%
Hyponatremia (abnormally low level of sodium in the blood; associated with dehydration): 3 people, 13.64%
Cardiac Failure Acute: 3 people, 13.64%
Headache (pain in head): 3 people, 13.64%
Neck Pain: 3 people, 13.64%
Fatigue (feeling of tiredness): 3 people, 13.64%
Fall: 3 people, 13.64%
Tendonitis (a condition that causes pain and swelling of tendons): 3 people, 13.64%
Heart Rate Decreased: 2 people, 9.09%

What are the existing conditions these people have? *

Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 4 people, 18.18%
Prostate Cancer: 3 people, 13.64%
Acromegaly (body produces too much growth hormone, leading to excess growth of body tissues): 2 people, 9.09%
Migraine (headache): 2 people, 9.09%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 2 people, 9.09%
Nausea (feeling of having an urge to vomit): 2 people, 9.09%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 2 people, 9.09%
Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 2 people, 9.09%
Bradycardia (abnormally slow heart action): 1 person, 4.55%
Calcium Metabolism Disorder (occur when the body has too little or too much calcium): 1 person, 4.55%

* Approximation only. Some reports may have incomplete information.

Do you take Omega-3 and have Fainting?

- Check whether Fainting 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 Omega-3:

Omega-3 (3,482 reports)

Fainting treatments and more:

Fainting (131,321 reports)

Browse all side effects of Omega-3:

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 Fainting:

Fainting (2,463 drugs)

Browse all the conditions that are associated with Fainting:

Fainting (3,546 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on cod liver oil (the active ingredients of Omega-3) and Omega-3 (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.