Erowid
 
 
Plants - Drugs Mind - Spirit Freedom - Law Arts - Culture Library  
 
testing
Please take a minute to support Erowid
(Gifts available with memberships over $30)
Donate Cryptocurrency like Bitcoin
Drug Testing Information
Alcohol Amphetamines Barbiturates Cannabis Cocaine
DXM GHB Ibogaine Ketamine LSA
LSD MDMA (Ecstasy) Mescaline Methamphetamine Mushrooms
Opiates PCP Salvia 2C-B 5-MeO-DMT


Drug screening tests are notoriously unreliable with false positives being common. They must always be backed up by a more sophisticated GC/MS confirmation before being considered conclusive. Drug testing laboratories generally do perform this extra confirmation step.