ZEBETA should be used with care when myocardial depressants or inhibitors of AV conduction, such as certain calcium antagonists (particularly of the phenylalkylamine [verapamil] and benzothiazepine [diltiazem] classes), or antiarrhythmic agents, such as disopyramide, are used concurrently.
<ZEBETA, advise, myocardial depressants>, <ZEBETA, advise, calcium antagonists>, <ZEBETA, advise, phenylalkylamine>, <ZEBETA, advise, verapamil>, <ZEBETA, advise, benzothiazepine>, <ZEBETA, advise, diltiazem>, <ZEBETA, advise, antiarrhythmic agents>, <ZEBETA, advise, disopyramide>