SEAN M. McNEELEY, MD Sudden Death When Older Patients Taking Spironolactone Are Given Trimethoprim-Sulfamethoxazole Key point: Another drug interaction with potential deadly consequences. Citation: Antoniou T, Hollands S, Macdonald EM, et al; Canadian Drug Safety and Effectiveness Research Network. Trimethoprim-sulfamethoxazole and risk of sudden death among patients taking spironolactone. CMAJ. 2015;187:E138–143. It is known that the combination of trimethoprim-sulfamethoxazole (TMP-SMX) and spironolactone may increase potassium levels in patients. This study is very similar to one …
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Journal of Urgent Care Medicine
Practice Management