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Quinidine - Indications, Dosage, Side Effects and Precautions

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Information about Quinidine

Generic Name : Quinidine
Up-to-date prescription details regarding Quinidine are provided here.

Pronunciation : kwin i deen

Learn the correct pronunciation of the Quinidine, understand it's uses, recommended dosages, its indications, how to take, when to take, when not to take, side effects, special precautions, warnings and its and its storage instructions.
You will also find a list of the medication's International and Indian brand or trade names, as well as its pricing information. For verification of the information presented on this page or for additional clarifications, it's advisable to consult your doctor.


ICD Code : Y52.2 Therapeutic Classification : Antiarrhythmics

Trade Names/Brand Names of Quinidine

India :

International :


Quinaglute, Duraquin, Quinact, Quinidex, Cin-Quin, Quinora

Why is Quinidine Prescribed? (Indications)

This medication is an antiarrhythmic, prescribed for abnormal heart rhythms. It is also used for malaria.  It affects the way that the heart beats.

When should Quinidine not be taken? (Contraindications)

Contraindicated in patients with myasthenia gravis, severe uncontrolled, abnormal heart rhythms and hypersensitivity.

What is the dosage of Quinidine?

Adult: PO- Arrhythmia- As sulfate: 200-300 mg 3-4 times/day.
Malaria As sulfate: 300-600 mg 3-4 times/day for 5-7 days.

How should Quinidine be taken?

It comes as a tablet and capsule to take by mouth, with food.

What are the warnings and precautions for Quinidine?

• Caution should be exercised in patients with history of liver or kidney disease, heart failure, heart block, QT prolongation, low blood pressure, high/low blood calcium levels; decreased blood platelets; digitalis intoxication, any allergy, who are taking other medications, during pregnancy and breastfeeding.

• It may cause dizziness or blurred vision, do not drive a car or operate machinery while taking this medication.

• Avoid exposure to sunlight.

What are the side effects of Quinidine?

Most Common - Diarrhea, nausea, vomiting and heartburn.
Central Nervous System - Lightheadedness, fatigue, weakness, nervousness and incoordination.
Heart - Palpitations.
Eye and ENT - Hearing loss, deafness, blurred vision, double vision, sensitivity to light, headache and confusion.

What are the other precautions for Quinidine?

Avoid excess dosage.

What are the storage conditions for Quinidine?

Store it at room temperature and away from light.

Schedule : H
Prescription drugs - Drugs to be sold only under the prescription of a Registered Medical Practitioner.
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