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Naturopathic Medicine
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Quinidine, Quinidex


Quinidine is a stereoisomer of quinine, originally derived from the bark of the cinchona tree. It is a class I antiarrhythmic agent.


class I antiarrythmic


atrial fibrillation, atrial flutter, hiccups, malaria, paroxysmal supraventricular tachycardia, premature atrial contractions (PACs), ventricular tachycardia,

Side Effects

abdominal pain, anemia, anorexia, arthralgia, atrial fibrillation, colic, diarrhea, diplopia, dizziness, elevated hepatic enzymes, esophagitis, exfoliative dermatitis, fever, hemolysis, hepatitis, hypotension, lupus-like symptoms, maculopapular rash, myalgia, nausea/vomiting, night blindness, photophobia, photosensitivity, PR prolongation, pruritus, purpura, QT prolongation, scotomata, sinus bradycardia, syncope, thrombocytopenia, tinnitus, torsade de pointes, urticaria, ventricular tachycardia, visual impairment,

Drug-Vitamin-Herb Interactions




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