What conditions does flecainide treat?
Flecainide is an antiarrhythmic medicine used to help control abnormal heart rhythms, especially certain rhythm problems caused by abnormal electrical signals in the heart. It is commonly used for people with specific types of supraventricular arrhythmias (rhythms that start above the heart’s lower chambers) and for some ventricular arrhythmias (rhythms that start in the heart’s lower chambers), depending on the patient and diagnosis.
How is flecainide used—prevention vs. stopping an episode?
Flecainide is generally used to prevent or reduce episodes of irregular rhythm over time (a “maintenance” approach). In some cases, clinicians may also use it as part of a strategy to manage recurrent arrhythmias, based on the exact rhythm type and the person’s heart function.
What is flecainide’s mechanism of action?
Flecainide works by affecting the heart’s electrical conduction, which can slow or block the pathways that help create abnormal re-entry circuits and other rhythm disturbances. This can help restore a more regular rhythm.
Who needs extra caution with flecainide?
Flecainide can be risky for some patients, particularly people with certain underlying structural heart disease or significantly impaired heart function, because it can sometimes worsen arrhythmias in higher-risk settings. The decision to use it depends on the specific diagnosis and whether there are contraindications.
What symptoms should patients watch for while taking it?
Patients taking flecainide are typically advised to seek medical help right away if they develop signs of a worsening rhythm problem, such as new or increased palpitations, fainting or near-fainting, severe dizziness, chest pain, or shortness of breath.
Is flecainide a brand or generic drug?
Flecainide is the generic name. It may be sold under brand names depending on the country and manufacturer.
Sources: None provided.