###Human: What is causing fishy vaginal discharge with irregular bleeding? ###Assistant: Hello. A fishy smell is indicative of bacterial vaginosis and not yeast infection alone. If not accompanied by curdy white vaginal discharge, pathognomic of vaginal candidiasis. Also bleeding per vaginum on nonmenstrual days can be due to cervical erosions which can be confirmed or evaluated with a per speculum examination and a pap smear.