Ma'anar ƙamus na kalmar "cututtuka" shine yanayin rashin lafiya ko kuma kusancin kamuwa da cuta a cikin wata jama'a ko rukuni. Hakanan yana iya komawa zuwa yanayin rashin lafiya ko inganci, kamar tsananin sha'awar mutuwa ko cuta. A cikin mahallin likita, ana amfani da cututtuka a matsayin ma'auni na yaduwa ko yawan wata takamaiman cuta ko yanayin cikin jama'a.
