Abstract
Cotrimoxazole administration is occasionally associated with thrombocytopenia. Interference with folate metabolism has been postulated. The drug has also been postulated to induce an autoantibody by acting as a hapten, but proof has not been forthcoming. A case is reported in which the serum has been shown to contain an anti-platelet autoantibody requiring sulphamethoxazole or cotrimoxazole for activity.
MeSH terms
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Adult
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Autoantibodies / analysis
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Autoimmune Diseases / chemically induced*
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Blood Platelets / immunology
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Drug Combinations / adverse effects
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Female
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Humans
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Sulfamethoxazole / adverse effects*
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Thrombocytopenia / chemically induced*
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Thrombocytopenia / immunology
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Trimethoprim / adverse effects*
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Trimethoprim, Sulfamethoxazole Drug Combination
Substances
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Autoantibodies
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Drug Combinations
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Trimethoprim, Sulfamethoxazole Drug Combination
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Trimethoprim
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Sulfamethoxazole