Recent Examples of quinidine from the Web
Some of the drugs were discovered a century ago or earlier, including benzocaine (a local anesthetic sometimes put in cough drops) and quinidine (a treatment for heart rhythm disorders).
In the early 2000s, Smith combined dextromethorphan — the main ingredient in cough syrups such as Robitussin — with quinidine, a drug used to treat irregular heart rhythms.
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medical Definition of quinidine
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Britannica.com: Encyclopedia article about quinidine
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