Antifungal drug susceptibility testing. Working Party of the British Society for Antimicrobial chemotherapy.

This article describes the current situation with regard to intrinsic and acquired resistance to antifungal compounds and progress with the development of standardized methods of susceptibility testing for amphotericin B, flucytosine, and the azoles. Recommendations for testing of isolates from patients destined to receive antifungal drug treatment, or in whom therapeutic failure or relapse is suspected, are presented.