Quinidine (Systemic).

 
In the U.S. -- 
     Cardioquin 
     Quinaglute Dura-tabs 
     Quinidex Extentabs 
     Quin-Release 
 
In Canada -- 
     Apo-Quinidine 
     Biquin Durules 
     Cardioquin 
     Novoquinidin 
     Quinaglute Dura-tabs 
     Quinate 
     Quinidex Extentabs 
     Antiarrhythmic 
 
     antimalarial 
Description 

Quinidine (KWIN-i-deen) is used to treat abnormal heart rhythms. It is also used to treat malaria.

Do not confuse this medicine with (quinine), which, although related, has different medical uses.

Quinidine is available only with your doctor's prescription, in the following dosage forms:

 
Oral 
 
     Tablets (U.S. and Canada) 
 
     Extended-release tablets (U.S. and Canada) 
Parenteral 
 
     Injection (U.S. and Canada) 
Before Using This Medicine 

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For quinidine, the following should be considered:

 
Allergies -- 

Tell your doctor if you have ever had any unusual or allergic reaction to quinidine or quinine. Also tell your health care professional if you are allergic to any other substances, such as foods, preservatives, or dyes.

 
Pregnancy -- 

Studies on effects in pregnancy have not been done in either humans or animals. However, quinidine has been used during pregnancy and, although serious side effects are uncommon, it has been shown to cause mild uterine contractions, premature labor, and blood problems in the neonate.

 
Breast-feeding -- 

Quinidine passes into breast milk and, because of the potential for problems in the nursing infant, it is generally not recommended in mothers who are …