Cozaar and Flecainide acetate drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Cozaar (losartan potassium) and Flecainide acetate (flecainide acetate). Common drug interactions include lethargy among females and dyspnoea among males.

The phase IV clinical study analyzes what interactions people have when they take Cozaar and Flecainide acetate. It is created by eHealthMe based on reports of 57 people who take the same drugs from the FDA, and is updated regularly.

What is Cozaar?

Cozaar has active ingredients of losartan potassium. It is often used in high blood pressure. eHealthMe is studying from 45,124 Cozaar users. Check the latest studies of Cozaar.

What is Flecainide acetate?

Flecainide acetate has active ingredients of flecainide acetate. It is often used in atrial fibrillation/flutter. eHealthMe is studying from 7,176 Flecainide acetate users. Check the latest studies of Flecainide acetate.

On Jul, 15, 2026

57 people who take Cozaar and Flecainide acetate together, and have interactions are studied.

Cozaar and Flecainide acetate drug interactions.

What are the common drug interactions of Cozaar and Flecainide Acetate, by gender? *:

female:

Lethargy (tiredness)
Migraine (headache)
Migraine with aura (headache with vision weakness)
Mitral valve disease (disease of mitral valve of heart)
Sinusitis (inflammation of sinus)
Somnolence (a state of near-sleep, a strong desire for sleep)
Visual impairment
Amnesia (deficit in memory caused by brain damage, disease, or psychological trauma)
Arthralgia (joint pain)
Breast cancer

male:

Dyspnoea (difficult or laboured respiration)
Blood glucose increased
Quality of life decreased
Splenomegaly (enlargement of spleen)
Arteriosclerosis coronary artery (thickening and hardening of arteries- coronary artery)
Depression
Diastolic dysfunction
Joint swelling
Thrombocytopenia (decrease of platelets in blood)
Anaemia (lack of blood)

What are the common drug interactions of Cozaar and Flecainide Acetate, 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:

C-reactive protein increased
Hypotension (abnormally low blood pressure)
Lung disorder (lung disease)
Myalgia (muscle pain)
Pyrexia (fever)
Red blood cell sedimentation rate increased
Tinnitus (a ringing in the ears)
Acute respiratory failure

50-59:

Pulmonary hypertension (increase in blood pressure in the lung artery)
Tricuspid valve disease (disease of heart valve)
Aortic valve disease
Mitral valve disease (disease of mitral valve of heart)
Atrioventricular block complete (heart block complete)
Blood glucose increased
Ear discomfort
Erythema (redness of the skin)
Flushing (the warm, red condition of human skin)
Overdose

60+:

Dyspnoea (difficult or laboured respiration)
Arthralgia (joint pain)
Joint swelling
Overdose
Pain
Quality of life decreased
Arteriosclerosis coronary artery (thickening and hardening of arteries- coronary artery)
Diastolic dysfunction
Oedema peripheral (superficial swelling)
Splenomegaly (enlargement of spleen)

What are the existing conditions these people have? *

Type 2 Diabetes: 6 people, 10.53%
Arrhythmias (irregular heartbeat): 5 people, 8.77%
Tremor (trembling or shaking movements in one or more parts of your body): 4 people, 7.02%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 4 people, 7.02%
Depression: 3 people, 5.26%
Computerised Tomogram Abdomen: 3 people, 5.26%

* Approximation only. Some reports may have incomplete information.

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