how does it work






 

Question by  Mike1346 (35)

How do swab test drugs work?

How long after doing the drug does it stay in your saliva?

 
+6

Answer by  AlexW (407)

The swabs in the test are used to collect saliva and body cells. Once on the swab, they can be brought in contact with a testing agent. Some drugs stay in your system and saliva much longer than others.

 
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