Omega-3 and Vitamin c drug interactions - from FDA reports

Drug interactions are reported among people who take Omega-3 and Vitamin c together. This study is created by eHealthMe based on reports of 45 people who take Omega-3 and Vitamin c from FDA, and is updated regularly.

How to use this study: bring a copy to your health teams to ensure drug risks and benefits are fully discussed and understood.

Who is eHealthMe: we are a data analysis company who specializes in health care industry. Our original studies have been referenced on 500+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and EANO. On eHealthMe, you can research drugs and monitor them (see testimonials). If you find eHealthMe useful, please help us to spread the words below or leave us a testimonial.

On Jan, 05, 2019

45 people who take Omega-3, Vitamin c are studied.

Number of reports submitted per year:

Omega-3 and Vitamin c drug interactions.

Most common drug interactions over time *:

< 1 month:


1 - 6 months:


6 - 12 months:


1 - 2 years:
  1. Delirium (wild excitement)
2 - 5 years:


5 - 10 years:
  1. Delirium (wild excitement)
10+ years:


Most common drug interactions by gender *:

  1. Diarrhoea
  2. Back pain
  3. Arrhythmia (irregular heartbeat)
  4. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  5. Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
  6. Atrial flutter (an abnormal heart rhythm that occurs in the atria of the heart)
  7. Cardiomyopathy (weakening of the heart muscle)
  8. Chest pain
  9. Conjunctivitis viral (infection of conjunctiva by virus)
  10. Cough

Most common drug interactions by age *:











  1. Abnormal behaviour
  2. Brain injury
  3. Cognitive disorder (mental health disorders affects learning, memory, perception, and problem solving)
  4. Impaired work ability
  5. Memory impairment
  6. Mental impairment (a condition affecting the body, perhaps through sight or hearing loss, a mobility difficulty or a health condition)
  7. Middle insomnia (difficulty returning to sleep after awakening either in the middle of the night)
  8. Restless legs syndrome (a powerful urge to move your legs)
  9. Sleep apnoea syndrome (a sleep-related disorder in which the effort to breathe is diminished or absent)
  10. Weight increased
  1. Hepatotoxicity (chemical-driven liver damage)
  2. Hypotension (abnormally low blood pressure)
  3. Pyrexia (fever)
  4. Sepsis (a severe blood infection that can lead to organ failure and death)
  5. Atrial flutter (an abnormal heart rhythm that occurs in the atria of the heart)
  6. Chest pain
  7. Dyspnoea (difficult or laboured respiration)
  8. Fatigue (feeling of tiredness)
  9. Alanine aminotransferase increased
  10. Anger
  1. Blood urine present
  2. Cough
  3. Deafness
  4. Delirium (wild excitement)
  5. Dizziness
  6. Fracture of penis (rupture of one or both of covering)
  7. Loss of consciousness
  8. Muscle spasms (muscle contraction)
  9. Penile pain
  10. Penile swelling

* Approximation only. Some reports may have incomplete information.

FDA reports used in this study

Do you take Omega-3 and Vitamin c?

You are not alone:

Related studies


Omega-3 has active ingredients of cod liver oil. It is often used in high blood cholesterol. (latest outcomes from Omega-3 606 users)

Vitamin c

Vitamin c has active ingredients of l-ascorbic acid. It is often used in vitamin supplementation. (latest outcomes from Vitamin c 35,692 users)

Browse 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+

Interactions between Omega-3 and drugs from A to Z
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
Interactions between Vitamin c and drugs from A to Z
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 drug interactions of Omega-3 and Vitamin c
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

What would happen?

Predict new side effects and undetected conditions when you take Omega-3 and Vitamin c

Recent updates

Recent general studies
Recent personal studies

NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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 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, and has not been supported by scientific studies or clinical trials unless otherwise stated. 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.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.

Submit your testimonial

  • Please fill in your Testimonial.
  • Please enter a minimum of 10 characters for your Testimonial.
  • Please fill in your Name.

Please wait...


Thank you!