Is Failing The Drug Test Final?

Suppose you’ve tested positive for a drug like marijuana or any other prohibited drug, which has led to the termination of your employment contract. The good news is that you will be allowed to reapply after 120 days, but it is wise to ensure you are clean before applying again.

Yes, you will receive your failed drug test results via mail after a few days

How long do drugs stay in your saliva?

Generally between 5-48 hours 

Can you fight a false positive drug test?

If you take any medication that made you have a positive drug test, talk to your employer for a retake test.