Class Ia antiarrhythmic agent

Quinidine

Quinidine (BAN)

Quinidine gluconate (USP)  <US>

Quinidine polygalacturonate

Quinidine sulfate (USP); Quinidine sulfate hydrate (JP18)  <JP/US>

Quinidine phenylethylbarbiturate

Procainamide

Procainamide (INN)

Procainamide hydrochloride (JP18/USP)  <JP/US>

Disopyramide

Disopyramide (JP18/USAN/INN)  <JP>

Disopyramide phosphate (JAN/USP)  <JP/US>

Sparteine

Sparteine (INN)

Sparteine sulfate (JAN/USAN)

Ajmaline (JP18)

Lorajmine hydrochloride (USAN)

Hydroquinidine

Hydroquinidine (DCF)

Hydroquinidine hydrochloride

Cibenzoline

Cifenline (USAN); Cibenzoline (INN)

Cifenline succinate (USAN); Cibenzoline succinate (JP18)  <JP>

Pirmenol

Pirmenol (INN)

Pirmenol hydrochloride hydrate (JAN)  <JP>

Pirmenol hydrochloride (USAN)

Class Ib antiarrhythmic agent

Lidocaine

Lidocaine (JP18/USP/INN)  <JP/US>

Lidocaine hydrochloride (JAN/USP)  <JP/US>

Lidocaine hydrochloride monohydrate  <JP/US>

Mexiletine

Mexiletine (INN)

Mexiletine hydrochloride (JP18/USP)  <JP/US>

Tocainide

Tocainide (USAN/INN)

Tocainide hydrochloride (USP)

Aprindine

Aprindine (USAN/INN)

Aprindine hydrochloride (JP18/USAN)  <JP>

Class Ic antiarrhythmic agent

Propafenone

Propafenone (INN)

Propafenone hydrochloride (JP18/USP)  <JP/US>

Flecainide

Flecainide (INN)

Flecainide acetate (JP18/USP)  <JP/US>

Lorcainide

Lorcainide (INN)

Lorcainide hydrochloride (USAN)

Encainide

Encainide (INN)

Encainide hydrochloride (USAN)

Ethacizine

Pilsicainide

Pilsicainide (INN)

Pilsicainide hydrochloride hydrate (JP18)  <JP>

Amiodarone

Amiodarone (USAN/INN)

Amiodarone hydrochloride (JP18/USP)  <JP/US>

Bretylium tosylate (USP); Bretylium tosilate (INN)

Bunaftine (INN)

Dofetilide (JAN/USP/INN)  <US>

Ibutilide

Ibutilide (INN)

Ibutilide fumarate (USP)  <US>

Tedisamil

Tedisamil (USAN)

Tedisamil sesquifumarate (USAN)

Dronedarone

Dronedarone (INN)

Dronedarone hydrochloride (USP)  <US>

Vernakalant hydrochloride (USAN)

Sotalol

Sotalol (INN)

Sotalol hydrochloride (JAN/USP)  <JP/US>

Nifekalant hydrochloride (JAN)  <JP>

Acecainide hydrochloride (USAN)

Azimilide dihydrochloride (USAN)

Sematilide hydrochloride (USAN)

Alprenolol

Alprenolol (INN)

Alprenolol hydrochloride (JP18/USAN)

Oxprenolol

Oxprenolol (INN)

Oxprenolol hydrochloride (JP18/USP)

Pindolol (JP18/USP/INN)  <US>

Propranolol

Propranolol (INN)

Propranolol hydrochloride (JP18/USP)  <JP/US>

Nadolol (JP18/USP/INN)  <JP/US>

Carteolol

Carteolol (INN)

Carteolol hydrochloride (JP18/USP)  <JP/US>

Tertatolol

Tertatolol (INN)

Tertatolol hydrochloride

Penbutolol

Penbutolol (INN)

Penbutolol sulfate (JP18/USP)

Cloranolol (INN)

Practolol (USAN)

Metoprolol

Metoprolol (USAN/INN)

Metoprolol tartrate (JP18/USP)  <JP/US>

Metoprolol succinate (USP)  <US>

Metoprolol fumarate (USP)

Atenolol (JP18/USP/INN)  <JP/US>

Acebutolol

Acebutolol (USAN/INN)

Acebutolol hydrochloride (JP18/USP)  <US>

Bisoprolol

Bisoprolol (JAN/USAN/INN)  <JP>

Bisoprolol fumarate (JP18/USP)  <JP/US>

Esmolol

Esmolol (INN)

Esmolol hydrochloride (JAN/USP)  <JP/US>

Epanolol (USAN/INN)

Talinolol (INN)

Landiolol

Landiolol (USAN/INN)

Landiolol hydrochloride (JAN/USAN)  <JP>

Bufetolol hydrochloride (JP18)

Arotinolol

Arotinolol (INN)

Arotinolol hydrochloride (JP18)  <JP>

Indenolol

Indenolol (INN)

Indenolol hydrochloride (JP18)

Bucumolol hydrochloride (JP18)

Primidolol (USAN/INN)

Dexpropranolol hydrochloride (USAN)

Diacetolol hydrochloride (USAN)

Flestolol sulfate (USAN)

Tiprenolol hydrochloride (USAN)

Tolamolol (USAN/INN)

Verapamil

Verapamil (USAN/INN)

Verapamil hydrochloride (JP18/USP)  <JP/US>

Gallopamil

Gallopamil (INN)

Gallopamil hydrochloride (JAN)

Fendiline

Fendiline (INN)

Fendiline hydrochloride

Bepridil

Bepridil (INN)

Bepridil hydrochloride (USAN); Bepridil hydrochloride hydrate (JAN)  <JP>

Tiapamil hydrochloride (USAN)

Metildigoxin (INN); Medigoxin (BAN)

Metildigoxin (JP18)  <JP>

Moricizine (USAN); Moracizine (INN)

Moricizine hydrochloride (USP)

Diltiazem (INN)

Diltiazem hydrochloride (JP18/USP)  <JP/US>

Diltiazem malate (USAN)