About
Flecainide is a Class IC antiarrhythmic agent used to treat various types of cardiac arrhythmias. It works by blocking sodium channels in the heart, thereby slowing the conduction of electrical impulses and prolonging the refractory period. This action helps to stabilize the heart's rhythm and prevent abnormal electrical activity. Flecainide is particularly effective in managing supraventricular tachycardias, such as paroxysmal atrial fibrillation and flutter, as well as certain types of ventricular tachycardias in patients without structural heart disease. Its use requires careful patient selection and monitoring due to its potential proarrhythmic effects, especially in individuals with underlying structural heart disease or impaired left ventricular function. Regular ECG monitoring and assessment of renal and hepatic function are crucial during therapy to ensure safety and efficacy, as dosage adjustments may be necessary. The drug's narrow therapeutic index necessitates close medical supervision.
Uses
- Treatment of paroxysmal atrial fibrillation/flutter.
- Management of paroxysmal supraventricular tachycardias.
- Suppression of symptomatic ventricular arrhythmias.
- Prevention of recurrent sustained ventricular tachycardia.
Directions For Use
Take the tablet orally with water, usually twice daily, as directed by your physician. Do not crush or chew the tablet.
Benefits
- Effectively restores normal heart rhythm.
- Reduces frequency of arrhythmia episodes.
- Improves symptoms associated with palpitations.
- Offers a non-invasive treatment option for arrhythmias.
- Helps prevent serious cardiac events related to arrhythmias.
- Provides sustained control over heart rate and rhythm.
Side Effects
- Dizziness
- Blurred vision
- Nausea
- Headache
- Fatigue
- Tremor
- Dyspnea
- Palpitations
- Chest pain
- Abdominal pain
- Constipation
- Proarrhythmia (worsening of arrhythmias)
Safety Measures
- Alcohol - Avoid or limit alcohol consumption as it can exacerbate arrhythmias and potentially interact with flecainide.
- Pregnancy - Use only if clearly needed and the potential benefits outweigh the risks, as animal studies show some fetal harm. Consult a doctor.
- Breastfeeding - Flecainide is excreted into breast milk; caution is advised. Discuss with a healthcare professional.
- Liver - Use with caution in patients with hepatic impairment; dosage adjustments may be necessary due to reduced metabolism.
- Kidney - Use with caution in patients with renal impairment; dosage adjustments are often required due to reduced excretion.
- Lung - Generally safe for lung conditions, but monitor for any new or worsening respiratory symptoms.
Disclaimer
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