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Donations Matched During Erowid's
Annual Public Support Drive!
September is our annual support drive, when we ask YOU to support reliable, independent drug information by helping Erowid reach more unique donations
than ever before in a single month (1,225 is the goal this year).
We still need 682 donations by September 30th. [see progress]

Donate by 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.