Studier med humane levermikrosomer indikerede, at dannelsen af hydroxylerede metabolitter af nevirapin ikke var påvirket af tilstedeværelsen af dapson, rifabutin, rifampicin, og trimethoprim/ sulfamethoxazol.
Studies using human liver microsomes indicated that the formation of nevirapine hydroxylated metabolites was not affected by the presence of dapsone, rifabutin, rifampicin, and trimethoprim/ sulfamethoxazole.