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Quinidine - Indications, Dosage, Side Effects and Precautions

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Quinidine Medication Information

Learn everything you need to know about Quinidine-pronunciation, uses, dosage guidelines, indications, and when to take or avoid it.

Get up-to-date information on side effects, precautions, warnings, and proper storage to ensure safe usage.

Explore Quinidine brand names commonly used in India and internationally, along with detailed pricing information. Consult your healthcare provider for tailored medical advice.

Generic Name : Quinidine
Pronunciation : kwin i deen
ICD Code : Y52.2 Therapeutic Classification : Antiarrhythmics

Brand Names or Trade 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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