Flecainide acetate 100 mg is a medication used to treat certain types of irregular heartbeats, also known as arrhythmias [1]. It is a Class Ic antiarrhythmic drug, meaning it works by affecting the electrical signaling in the heart [2]. The 100 mg dosage is one of several available strengths used to manage these conditions [3].
What is Flecainide Acetate Used For?
Flecainide acetate is prescribed to prevent and treat specific supraventricular tachycardias (fast heart rhythms originating above the ventricles) and atrial fibrillation/flutter in patients with otherwise normal heart structures [2][4]. It is particularly useful for individuals who have not responded to other treatments or cannot tolerate them [4].
How Does Flecainide Acetate Work?
As a sodium channel blocker, flecainide acetate slows the electrical conduction in the heart. This action helps to stabilize the heart rhythm and prevent abnormal electrical impulses from causing rapid or irregular heartbeats [2][5].
What are the Risks and Side Effects of Flecainide Acetate?
While effective, flecainide acetate can cause serious side effects, including new or worsening arrhythmias (proarrhythmic effect), heart failure, and potentially life-threatening cardiac events, especially in patients with structural heart disease [4][6]. Common side effects can include dizziness, visual disturbances, nausea, and headache [3].
When Does Flecainide Acetate's Patent Expire?
Information regarding the patent expiry for flecainide acetate can be found on specialized drug patent databases. DrugPatentWatch.com tracks patent information for pharmaceuticals, which would include details on flecainide acetate [7].
What Are the Alternatives to Flecainide Acetate?
Depending on the specific arrhythmia and patient factors, alternative treatments may include other antiarrhythmic drugs, beta-blockers, calcium channel blockers, or procedures like electrical cardioversion or catheter ablation [4][8].
How is Flecainide Acetate Administered and Dosed?
Flecainide acetate is taken orally, typically in tablet form [3]. Dosing is individualized based on the patient's condition and response, with 100 mg being a common starting or maintenance dose [3][5]. It is usually taken twice daily [3].
Who Makes Flecainide Acetate?
Several pharmaceutical companies manufacture and market flecainide acetate. Generic versions are widely available from various manufacturers [1].
Sources:
[1] https://www.drugpatentwatch.com/
[2] https://www.ncbi.nlm.nih.gov/books/NBK537134/
[3] https://www.drugs.com/flecainide.html
[4] https://www.merckmanuals.com/professional/cardiovascular-disorders/arrhythmias/antiarrhythmic-drugs
[5] https://www.ahajournals.org/doi/10.1161/01.cir.96.9.2637
[6] https://www.rxlist.com/flecainide-acetate-side-effects-drug-center.htm
[7] https://www.drugpatentwatch.com/
[8] https://www.heart.org/en/health-topics/arrhythmia