quinine sulfate · Medicine question

Can quinine sulfate cause serious thrombocytopenia?

iatroX medicinesPublished 8 November 2026

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Answer

Quinine sulfate can cause unpredictable, serious and life-threatening thrombocytopenia, thought to be an idiosyncratic hypersensitivity reaction; patients should stop treatment and consult a physician if unexplained bruising or bleeding occurs.

Sources for this answer

Quinine Sulfate 200mg TabletsStrides Pharma UK Ltd · emc · SmPC §4.4 Special warnings and precautions for use · Version 3Document updated 13 February 2026

Sources checked 8 November 2026

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