Phenobarbital/Summary

Main article: Phenobarbital

Psychoactive class: Depressant

Chemical class: Barbiturates

Oral

• Thresh				Common				Heavy
  25	-	50	-	100	-	150	-	300	mg
  		Light				Strong

• • Total: 4 - 6 hours
  • Onset: 15 - 60 minutes
  • Come up: 1 - 2 hours
  • Peak: 4 - 6 hours
  • Offset: 12 - 24 hours
  • Afterglow: 1 - 48 hours

Harm potential

• • Extremely physically and psychologically addictive
  • Moderate toxicity, potentially lethal when mixed with depressants like alcohol or opioids

Physical effects

• • Respiratory depression
  • Sedation
  • Seizure suppression
• • Decreased blood pressure
  • Dizziness
  • Respiratory depression

Visual effects

• • Visual acuity suppression

Cognitive effects

• • Cognitive euphoria
  • Compulsive redosing
• • Anxiety suppression
  • Disinhibition
  • Emotion suppression
  • Thought deceleration

See also

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