Propafenone Tablets are broad-spectrum and highly effective membrane inhibitory antiarrhythmic drugs, which are used for paroxysmal ventricular tachycardia and supraventricular tachycardia. Propafenone tablets have membrane stabilizing effect and competitive beta-blocking effect, used for the prevention and treatment of ventricular arrhythmia, supraventricular ectopic beats, supraventricular tachycardia, tachyarrhythmia complicated by preexcitation syndrome and ventricular fibrillation after electrical resuscitation, etc., with rapid onset of action and long-lasting effect. Common adverse reactions include dry mouth, numbness of tongue and lips, headache, dizziness, gastrointestinal disorders. However, patients with severe heart failure should be used with caution. The product is contraindicated in patients with sinus node dysfunction without pacemaker protection, severe atrioventricular block, double bundle branch block, severe congestive heart failure, cardiogenic shock, severe hypotension and allergy to the drug. The drug should be used under the guidance of a doctor, do not blindly buy and take the drug on your own.