Akta alew malet u have cought some infection and ur body is fighting it.the smell is do to a waste from those infectious virus or bacterias. If urs is viral its communicable through direct contact of the saliva like kissing and so on, if bacterial its not communicable.The solution their is a medicine doctors recommend so go to a hospital.local way nech shinkurt bla(fresh), chew be muk wuha argeh satutew gororohn endinekaw arg(ende makurefref), senafich Tru new so best way to consum it bakela besenafich, yekoso areke(my favorite). And their is this local medication lecorona teblo yeserut mixture u will find this on YouTube / yenetayube. Endih bleh search arg "le beshitaw mefthewun agignichewalehu ethiopiawiw yemgb temeramari loret alemu mekonen"(be amargna type argew).what I said above also works for those suffering with sinusitis.best of luck!!