What forms of quinidine are available?

Stacy Wiegman, PharmD

Pharmacy

There are two main forms (or salts) of quinidine available. Quinidine sulfate is one form of quinidine; it is taken by mouth, either as a regular tablet or an extended-release tablet. Quinidine gluconate is another form of quinidine; it is also taken by mouth or by IV injection. The different forms of quinidine are used to treat certain kinds of abnormal heart rhythms and may also be used in the treatment of malaria.

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