Cardura and Omacor drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Cardura (doxazosin mesylate) and Omacor (omega-3acid ethyl esters). Common drug interactions include hypotension among females and brain oedema among males.

The phase IV clinical study analyzes what interactions people have when they take Cardura and Omacor. It is created by eHealthMe based on reports of 12 people who take the same drugs from the FDA, and is updated regularly.

What is Cardura?

Cardura has active ingredients of doxazosin mesylate. It is often used in high blood pressure. eHealthMe is studying from 20,379 Cardura users. Check the latest studies of Cardura.

What is Omacor?

Omacor has active ingredients of omega-3acid ethyl esters. It is often used in high blood cholesterol. eHealthMe is studying from 2,547 Omacor users. Check the latest studies of Omacor.

On Jul, 18, 2026

12 people who take Cardura and Omacor together, and have interactions are studied.

What are the common drug interactions of Cardura and Omacor, by gender? *:

female:

Hypotension (abnormally low blood pressure)
Adnexa uteri cyst (ovarian cysts)
Asthma
Bradycardia (abnormally slow heart action)
Depression
Hypertensive heart disease
Hyponatraemia (abnormally low level of sodium in the blood; associated with dehydration)
Nephropathy (damage to or disease of a kidney)
Polydipsia (excessive thirst)
Renal failure chronic (long lasting kidney dysfunction)

male:

Brain oedema (excess accumulation of fluid in the intracellular or extracellular spaces of the brain)
Lactic acidosis (low ph in body tissues)
Arrhythmia (irregular heartbeat)
Circulatory collapse
Decreased appetite
Dizziness
Fatigue (feeling of tiredness)
Flatulence (flatus expelled through the anus)
Gastroenteritis (inflammation of stomach and intestine)
Hypovolaemia (a decreased volume of circulating blood in the body)

What are the common drug interactions of Cardura and Omacor, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

n/a

50-59:

Brain oedema (excess accumulation of fluid in the intracellular or extracellular spaces of the brain)
Lactic acidosis (low ph in body tissues)
Multi-organ failure (multisystem organ failure)
Nausea (feeling of having an urge to vomit)
Pancreatitis acute (sudden inflammation of pancreas)
Sepsis (a severe blood infection that can lead to organ failure and death)
Shock (a life-threatening condition with symptoms like low blood pressure, weakness, shallow breathing, cold, clammy skin)
Acute respiratory distress syndrome
Acute respiratory failure
Anxiety

60+:

Adnexa uteri cyst (ovarian cysts)
Asthma
Cardiac failure congestive
Subcutaneous abscess
Wound infection staphylococcal
Abdominal pain
Acute sinusitis
Anxiety
Coronary artery occlusion (complete obstruction of blood flow in a coronary artery)
Nausea (feeling of having an urge to vomit)

What are the existing conditions these people have? *

Type 2 Diabetes: 2 people, 16.67%
Diabetes: 2 people, 16.67%
Primary Myelofibrosis (primary disorder of the bone marrow): 1 person, 8.33%
Osteoporosis (bones weak and more likely to break): 1 person, 8.33%
Ischaemic Cardiomyopathy (weakness in the muscle of the heart due to inadequate oxygen delivery to the myocardium with coronary artery disease): 1 person, 8.33%
Hyperlipidaemia (presence of excess lipids in the blood): 1 person, 8.33%
Hepatitis C: 1 person, 8.33%
Gouty Arthritis (joint inflammation with crystal formation): 1 person, 8.33%
Enlarged Prostate: 1 person, 8.33%
Aortic Stenosis (obstruction to the outflow of blood from the left ventricle into the aorta): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

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