Antiarrhythmics
Indications For the treatment of cardiac arrhythmias. Active ingredients Class I (sodium channel blockers): class IA: Ajmaline (off-label). Quinidine (out of trade) Procainamide (out of commerce) Class IB: Lidocaine Phenytoin (not approved for this indication in many countries). Tocainide (not commercially available in many countries). Mexiletine (not on sale in many countries). Class IC: Encainid … Antiarrhythmics