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Quinidine is used to treat abnormal heart rhythms. It works by making your heart more resistant to abnormal activity. Quinidine is also used to treat malaria. Quinidine Oral is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
Quinidine comes as a tablet to take by mouth. Immediate-acting quinidine usually is taken three or four times a day. The extended-release (long-acting) product usually is taken two or three times a day. Do not cut, crush, or chew extended-release tablets; swallow them whole. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take quinidine exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor. Quinidine helps control your condition but will not cure it. Continue to take quinidine even if you feel well. Do not stop taking quinidine without talking to your doctor. |