Beware of Drug Interactions Treating Iatrogenic Endocarditis from Intravesical BCG Instillation.

Unlabelled: We report a case of mechanical mitral valve endocarditis associated with miliary disseminated bacillus Calmette-Guerin (BCG) infection following intravesical instillations for minimally invasive bladder cancer in a 65-year-old man. The diagnosis was established by echocardiographic evidence of vegetation on the prosthetic mitral valve, miliary lesions in the lungs and evidence of bloodstream infection sustained by . We successfully treated the patient with the classical regimen of quadruple antituberculous therapy.