Table 1.

Sodium Channel Blocking Drugs According to Pharmacological Classification

Table 1. Commonly used drugs that cause sodium channel blockade.
Anticonvulsants
Carbamazepine
Antidysrhythmics
Group IA and IC
Group II (Propranolol)
Group IV (Diltiazem and Verapamil)
Antihistamines
Diphenhydramine
Antimalarial drugs
Chloroquine
Hydroxychloroquine
Quinine
Antipsychotics
Phenothiazines
Drugs of abuse
Cocaine
Opioids
Propoxyphene
Other antidepressants
Bupropion
Mirtazapine
Venlafaxine
Tricyclic Antidepressants
Amitriptyline
Desipramine
Doxepin
Imipramine
Nortriptyline