Like other narcotics, morphine can be habit forming. Physical dependence is common after long term use, with patients becoming physically ill upon cessation of morphine therapy. It is used illicitly, producing euphoric effects similar to that of [[heroin]]. | Like other narcotics, morphine can be habit forming. Physical dependence is common after long term use, with patients becoming physically ill upon cessation of morphine therapy. It is used illicitly, producing euphoric effects similar to that of [[heroin]]. |