Ciwo rashin gazawa ne lakar jikin mutum ko wani abu mai rai, galibi akan ce ciwo idan abu mai rai ya ratsa wasu ikonsa, kaman gani, tafiya, kuzari, numfashi da dai sauran su. A wani lokaci kuma akan ce ciwo idan aka rauna ta mutum ta hanyar fitar masa da jini ko kuma buguwa ko karaya, ko yankewa.