Why do I need a drug test?You may have to take a drug test as a condition of your employment, in order to participate in organized sports, or as part of a police investigation or court case. Your health care provider may order drug screening if you have symptoms of drug abuse. These symptoms include:Slowed or slurred speechDilated or small pupilsAgitationPanicParanoiaDeliriumDifficulty breathingNauseaChanges in blood pressure or heart rhythm
