A lapse is characterized by using a substance or drinking alcohol just once; while relapse, on the other hand, occurs when there are multiple uses of the substance or alcohol.
Ufaka sicelo sesitifiketi kanye kuphela, emvakwaloko lesitifiketi  singaphindze sisetjentiswe uma nje lotjwala ufana ngeligama, ngebuningi, ngelibhodlela  ungashintjwa.