Ma'anar ƙamus na kalmar "pruritus" ita ce kalmar likita don ƙaiƙayi ko jin dadi wanda ke haifar da sha'awar tabo ko shafa fata. Sau da yawa ana danganta kumburi da yanayin fata irin su eczema, psoriasis, ko rashin lafiyan halayen, amma kuma yana iya zama alamar yanayin rashin lafiya kamar cutar hanta ko koda, matsalolin thyroid, ko wasu cututtukan daji.
