简介:Dysmenorrheareferstoperiodiclowerabdominalpainoccurringduringoraroundmenstruation.Itoftenhappensbeforeorduringperiod,occasionallyafterperiod,andmanifestslowerabdominalpain,crampyordistending,whichmayradiatetolumbosacralregion,innerthighandperianalregion.Co-occurringsymptomsmayincludepalecomplexion,nausea,vomiting,diarrhea,andaversiontocoldinthewholebodyorconcentratedinlowerabdomen.Severepaincancauseprostrationorevenfainting.Menstrualpaincommonlylastsforseveralhoursor1-2d,andrelieveswhenmenstrualbloodflowssmoothly.