Is There a Possibility That a Drug User Passed the Drug Test?

Question by Dimple: is there a possibility that a drug user passed the drug test?
My cousin has a symptoms of a drug addiction such as loss of appetite, change in moods, stealing money, vomiting, change in his eyes. Even our neighbors are telling us to watch over him because his new friends are drug user. But last 3 months ago, he got a driver’s license and passed the drug testing.

Best answer:

Answer by jark
Yeah its possible, some drug test are a false positive and vise versa. the best way to find out is a tox screen at the hospital

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From Twitter:

RT @ABC7Courts: Payne saw MJ tired and fatigued. He agreed that those symptoms could be signs of drug addiction. – by _Tarina__ (Tarina)

From Twitter:

RT @CrimeLineZA: Common signs and symptoms of drug addiction http://t.co/z0mHHyHh0P – by DinalviewCPF (Dinalview CPF)

From Twitter:

RT @ABC7Courts: Payne saw MJ tired and fatigued. He agreed that those symptoms could be signs of drug addiction. – by AMMI777 (Anne-Marie)