Challenges in treatment of disseminated nocardiosis in an elderly patient with renal failure on corticosteroids: a case report

We report the case of a 71-year-old Japanese man with a history of chronic kidney disease and sarcoidosis receiving chronic corticosteroids who presented with disseminated Nocardia brasiliensis infection. He initially showed improvement with empiric antimicrobial therapy including trimethoprim-sulfamethoxazole. However, he deteriorated after modifying the empiric regimen due to complicated hyperkalemia and ultimately died. In general, elderly...