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    Information about Quinidine

    Quinidine uses

    Quinidine is used in the treatment of Arrhythmia.

    How quinidine works

    Quinidine is an anti-arrhythmic medication. It works by blocking abnormal electrical signals in the heart to correct irregular heartbeat to a normal rhythm.

    Common side effects of quinidine

    Nausea, Vomiting, Ringing in ear, Abdominal pain, Orthostatic hypotension (sudden lowering of blood pressure on standing), Headache, Hypoglycemia (low blood glucose level), Dysphoria (state of generalized dissatisfaction with life), Diarrhea, Visual impairment, Deafness
    Content Details
    Written By
    Dr. Betina Chandolia
    MDS, BDS
    Reviewed By
    Dr. Shilpa Garcha
    MD (Pharmacology), MBBS
    Last updated on:
    18 Feb 2020 | 05:22 PM (IST)
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    Available Medicine for Quinidine

    • ₹41
      Franco-Indian Pharmaceuticals Pvt Ltd
      1 variant(s)

    Expert advice for Quinidine

    • It may cause dizziness. Do not drive or perform activities require mental focus until you know how it affects you.
    • Do not start any medicine including prescription or over-the-counter medicines without informing your doctor, as they may alter Quinidine levels in your body.
    • Your doctor may get blood tests done to check your sodium and potassium levels, kidney function, and lung function before starting treatment with this medicine.
    • Your doctor may regularly monitor blood sugar level while taking this medicine.
    • Inform your doctor if you experience slow or fast heart rate, chest pain, shortness of breath.
    • Inform your doctor if you are pregnant or planning to conceive or breastfeeding.
    • Do not stop taking medication suddenly without talking to your doctor. 

    Frequently asked questions for Quinidine


    Q. Does Quinidine cause thrombocytopenia?

    Yes. Quinidine may cause thrombocytopenia. Consult your doctor immediately if you develop any symptoms of thrombocytopenia (easy/ excessive bruising, reddish-purple pinpoint-sized spots in skin, prolonged bleeding from cuts, bleeding from your gums or nose, blood in urine or stools)

    Q. Does Quinidine cause constipation?

    Quinidine causing constipation is very rare. However, please consult your doctor if you experience such side effects

    Q. How does Quinidine treat malaria?

    Quinidine interferes with malarial parasite's ability to digest hemoglobin and inhibits the spontaneous formation of betahematin (hemozoin or malaria pigment), which is a toxic product resulting from digestion of hemoglobin by parasites.

    Content on this page was last updated on 18 February, 2020, by Dr. Varun Gupta (MD Pharmacology)