Student Health Services - The University of Iowa

Substance Abuse

Psilocybin Mushrooms

Slang for Psilocybin Mushrooms: 'shrooms, magic mushroom, sacred mushroom, noble princess of the waters, hombrecitos, las mujercitas

Definition: psilocybin is a hallucinogen

Effects include:

  • relaxation
  • intensification of color
  • sense of well-being
  • separation from surroundings
  • panic
  • hallucinations
  • feelings of heaviness or lightness

Effects of overdose include: overdose is not an issue, however, many poisonous mushrooms look like psilocybin mushrooms and can have very toxic effects.

Duration: onset within 30 minutes with effects lasting 2-4 hours

Administration: oral

Page updated: 3/27/08