Digoxin-associated thrombocytopaenia

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Abstract
A 60-year-old male patient had two episodes of thrombocytopaenia whilst being treated with digoxin, each of them reversible upon with-drawal of the drug. Bone marrow examination was consistent with peripheral platelet destruction as the main mechanism of the thrombocytopaenia. The inhibition of clot retraction test was positive, with a declining titer, after cessation of digoxin therapy, and this plus the finding of circulating immune complexes after incubation of the patient's serum with digoxin established digoxin as the offending agent. It is concluded that digoxin may be a rare cause of drug-induced immune-thrombocytopaenia.