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

Summary:

Drug interactions are reported among people who take Flecainide acetate (flecainide acetate) and Tadalafil (tadalafil). Common drug interactions include cough among females and bacterial diarrhoea among males.

The phase IV clinical study analyzes what interactions people have when they take Flecainide acetate and Tadalafil. It is created by eHealthMe based on reports of 16 people who take the same drugs from the FDA, and is updated regularly.

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.

What is Tadalafil?

Tadalafil has active ingredients of tadalafil. It is often used in erection problems. eHealthMe is studying from 25,548 Tadalafil users. Check the latest studies of Tadalafil.

On Jul, 12, 2026

16 people who take Flecainide acetate and Tadalafil together, and have interactions are studied.

Flecainide acetate and Tadalafil drug interactions.

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

female:

Cough
Hypoxic-ischaemic encephalopathy (a condition that occurs when the entire brain is deprived of an adequate oxygen supply, but the deprivation isn't total)
Influenza like illness
Pericardial effusion (fluid around the heart)
Pneumonia respiratory syncytial viral (respiratory syncytial virus (rsv) is a very common virus that leads to mild, cold-like symptoms in adults and older healthy children)
Sneezing
Supraventricular tachycardia (rapid heart rhythm originating at or above the atrioventricular node)

male:

Bacterial diarrhoea
Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
Inguinal hernia (hernia in which a loop of intestine enters the inguinal canal; the most common type of hernia in males)
Injection site erythema (redness at injection site)
Memory impairment
Neck pain
Oedema peripheral (superficial swelling)
Pulmonary arterial hypertension (high blood pressure in the arteries of lungs)
Sinusitis (inflammation of sinus)
Surgery

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

0-1:

Hypoxic-ischaemic encephalopathy (a condition that occurs when the entire brain is deprived of an adequate oxygen supply, but the deprivation isn't total)
Pneumonia respiratory syncytial viral (respiratory syncytial virus (rsv) is a very common virus that leads to mild, cold-like symptoms in adults and older healthy children)

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Supraventricular tachycardia (rapid heart rhythm originating at or above the atrioventricular node)
Pericardial effusion (fluid around the heart)

40-49:

n/a

50-59:

Dyspnoea (difficult or laboured respiration)

60+:

Bacterial diarrhoea
Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
Pulmonary congestion (congestion in the lungs)
Urinary tract disorder
Asthma
Back pain
Hospitalisation
Sinusitis (inflammation of sinus)

What are the existing conditions these people have? *

Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 3 people, 18.75%
Immunodeficiency Common Variable: 3 people, 18.75%
Pulmonary Congestion (congestion in the lungs): 2 people, 12.50%
Multiple Myeloma (cancer of the plasma cells): 2 people, 12.50%
Respiratory Syncytial Virus Infection (viral disease of respiratory system): 1 person, 6.25%
Polycythaemia Vera (blood disorder in which the bone marrow makes too many red blood cells): 1 person, 6.25%
Nausea (feeling of having an urge to vomit): 1 person, 6.25%
Nasal Congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels): 1 person, 6.25%
Migraine (headache): 1 person, 6.25%
Insomnia (sleeplessness): 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

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