Myoclonus farfadiya tana nufin wani nau'in farfaɗo da ke tattare da raunin tsoka kwatsam, gajere, da rashin son rai ko jijjiga (myoclonus) waɗanda galibi ke haɗuwa da kamawa. Wadannan jijiyoyi na tsoka suna iya faruwa a sassa daban-daban na jiki, ciki har da hannuwa, kafafu, fuska, da gabobin jiki, kuma ana iya haifar da su ta wasu abubuwan motsa jiki, kamar motsi, taɓawa, ko haske. ana haifar da shi ta hanyoyi daban-daban, kamar maye gurbi na kwayoyin halitta, rikice-rikice na rayuwa, raunin kwakwalwa, ko cututtuka. Jiyya yawanci ya haɗa da magunguna don sarrafa kamewa da myoclonus, da kuma sauran hanyoyin kwantar da hankali don sarrafa kowane yanayi.