Vincristine, adriamycin, and dexamethasone (VAD) chemotherapy protocol is f
irst-choice treatment in newly diagnosed multiple myeloma patients in many
centers. Sudden hearing loss associated with vincristine therapy is a rarel
y observed event in the VAD protocol. We describe a 69-year old male patien
t diagnosed with multiple myeloma 7 months ago who developed sudden bilater
al hearing loss related to vincristine therapy. This uncommon adverse effec
t of vincristine is discussed and the literature reviewed.