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Group I antiarrhythmics

What are Group I antiarrhythmics?

Group 1 antiarrhythmics: Sodium-channel blockers, which block the fast sodium channels, thereby slowing electrical conduction in the heart.

List of Group I antiarrhythmics

View by  Generic | Brand
Drug Name Avg. Rating Reviews
flecainide systemic (Pro)
Brand name: Tambocor
7.4
173 reviews
phenytoin systemic (Pro)
Brand names: Dilantin, Phenytek, Phenytoin Sodium
7.6
114 reviews
propafenone systemic (Pro)
Brand name: Rythmol SR
8.0
71 reviews
lidocaine systemic (Pro)
Brand names: DentiPatch, Xylocaine HCl, Xylocaine-MPF
5.4
21 reviews
mexiletine systemic (Pro)
6.2
12 reviews
disopyramide systemic (Pro)
Brand names: Norpace, Norpace CR
7.9
7 reviews
quinidine systemic (Pro)
8.5
2 reviews
procainamide systemic (Pro)
No reviews
For ratings, users were asked how effective they found the medicine while considering positive/adverse effects and ease of use (1 = not effective, 10 = most effective).

Further information

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