GBL/Summary

Main article: GBL

Psychoactive class: Depressant

Chemical class: Tetrahydrofuran

Harm potential

• • Highly physically and moderately to highly psychologically addictive

Tolerance

• • Full tolerance is reached within several days of continuous use
  • Returns to baseline after 7 - 14 days

Physical effects

• • Spatial disorientation
• • Stimulation
• • Motor control loss
  • Respiratory depression
  • Sedation
• • Dehydration
  • Dizziness
  • Headache
  • Increased perspiration
  • Increased salivation
  • Muscle cramp
  • Nausea
  • Optical sliding
  • Respiratory depression
  • Seizure
  • Skin flushing
  • Stomach cramp
  • Vasodilation

Visual effects

• • After images
  • Auditory distortion
  • Depth perception distortions
  • Perspective distortion
  • Scenery slicing
• • Acuity suppression
• • Geometry

Cognitive effects

• • Cognitive euphoria
  • Compulsive redosing
• • Creativity enhancement
  • Dream potentiation
  • Empathy, affection and sociability enhancement
  • Increased libido
  • Increased music appreciation
  • Motivation enhancement
  • Suggestibility enhancement
  • Thought acceleration
  • Wakefulness
• • Amnesia
  • Analysis suppression
  • Anxiety suppression
  • Confusion
  • Disinhibition
  • Memory suppression
  • Motivation suppression
  • Sleepiness
  • Thought deceleration

Auditory effects

• • Auditory distortion

See also

• Responsible use
• Summary index
• Subjective effect index
• Psychoactive substance index