Omega-3 and Magnesium drug interactions - from FDA reports

Drug interactions are reported among people who take Omega-3 and Magnesium together. This study is created by eHealthMe based on reports of 46 people who take Omega-3 and Magnesium 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.

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On Jan, 18, 2019

46 people who take Omega-3, Magnesium are studied.

Number of reports submitted per year:

Omega-3 and Magnesium drug interactions.

Most common drug interactions over time *:

< 1 month:


1 - 6 months:


6 - 12 months:
  1. Oedema (fluid collection in tissue)
1 - 2 years:


2 - 5 years:


5 - 10 years:


10+ years:


not specified:
  1. Pain
  2. Balance disorder
  3. Hypothalamo-pituitary disorder (loss of function in an endocrine gland due to failure of the pituitary gland to secrete hormones which stimulate that gland's function)
  4. Depression
  5. Fall
  6. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  7. Headache (pain in head)
  8. Muscular weakness (muscle weakness)
  9. Nausea (feeling of having an urge to vomit)
  10. Prescribed overdose

Most common drug interactions by gender *:

  1. Hepatomegaly (abnormal enlargement of the liver)
  2. Hiatus hernia (hernia resulting from the protrusion of part of the stomach through the diaphragm)
  3. Hodgkin's disease (cancer originating from white blood cells)
  4. Hostility
  5. Hyperlipidaemia (presence of excess lipids in the blood)
  6. Hypometabolism (abnormal decrease in metabolic rate)
  7. Pain
  8. Arthralgia (joint pain)
  9. Fatigue (feeling of tiredness)
  10. Condition
  1. Pain
  2. Condition
  3. Muscular weakness (muscle weakness)
  4. Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
  5. Retinal vein thrombosis (clot formation in small veins that carry blood away from the retina)
  6. Schizoaffective disorder (a mental disorder characterized by disordered thought)
  7. Therapeutic response increased (high preventive response)
  8. Thrombotic thrombocytopenic purpura (a rare blood disorder characterized by clotting in small blood vessels of the body)
  9. Prescribed overdose
  10. Blood pressure increased

Most common drug interactions by age *:



  1. Arthralgia (joint pain)
  2. Balance disorder
  3. Dysstasia (difficulty in standing)
  4. Erythema (redness of the skin)
  5. Fatigue (feeling of tiredness)
  6. Hemiparesis (weakness on one side of the body)
  7. Muscle atrophy (a decrease in the mass of the muscle)
  8. Myalgia (muscle pain)
  9. Nervous system disorder (a general class of medical conditions affecting the nervous system)
  10. Overdose


  1. Arthralgia (joint pain)
  2. Asthenia (weakness)
  3. Depression
  4. Dizziness
  5. Fatigue (feeling of tiredness)
  6. Impaired healing
  7. Joint swelling
  8. Multiple sclerosis relapse (reoccurrence of a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath)
  9. Suicidal ideation
  10. Upper respiratory tract infection
  1. Abdominal pain upper
  2. Blood glucose increased
  3. Nausea (feeling of having an urge to vomit)
  4. Pain
  5. Abdominal distension
  6. Adrenal insufficiency (condition in which the adrenal glands do not produce adequate amounts of steroids)
  7. Anaphylactic reaction (serious allergic reaction)
  8. Arthralgia (joint pain)
  9. Back pain
  10. Blood glucose
  1. Therapeutic response unexpected
  2. Throat irritation
  3. Upper limb fracture
  4. Urinary incontinence (inability to control the flow of urine and involuntary urination)
  5. Urinary tract infection
  6. Vomiting
  7. Arthropathy
  8. Atrial flutter (an abnormal heart rhythm that occurs in the atria of the heart)
  9. Balance disorder
  10. Fall
  1. Condition
  2. Pain
  3. Bone pain
  4. Choking (mechanical obstruction of the flow of air from the environment into the lungs)
  5. Depression
  6. Diverticulum (out pouching of a hollow (or a fluid-filled) structure in the body)
  7. Drug administration error
  8. Dysphagia (condition in which swallowing is difficult or painful)
  9. Dysphonia (speech disorder attributable to a disorder of phonation)
  10. Fatigue (feeling of tiredness)

* Approximation only. Some reports may have incomplete information.

Do you take Omega-3 and Magnesium?

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)


Magnesium has active ingredients of magnesium. It is often used in constipation. (latest outcomes from Magnesium 45,408 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 Magnesium 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 Magnesium
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 Magnesium (6,304 reports studied)

FDA reports used in this study

Recent updates

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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.

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