药物对比
Encainide vs Tocainide
比较 Encainide（Ic 类抗心律失常药，CAST 试验后撤市）与 Tocainide（Ib 类，因粒细胞缺乏症撤市）。两者均为口服药，已不再上市。
此页面暂无可用的对比维度。
临床背景
This comparison typically arises when reviewing historical class I antiarrhythmics used for ventricular arrhythmias or investigating reasons older cardiac drugs were discontinued.
结论
Neither Encainide nor Tocainide is available or recommended, as both were withdrawn after safety risks were found to outweigh any benefits.
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