4F-MPH/Summary

Main article: 4F-MPH

Psychoactive class: Stimulants

Chemical class: Substituted phenidates

Oral

• Thresh				Common				Heavy
  5	-	5	-	10	-	15	-	20	mg
  		Light				Strong

• • Total: 4 - 8 hours
  • Onset: 30 - 60 minutes
  • Peak: 2 - 4 hours
  • Offset: 1 - 2 hours
  • Afterglow: 5 - 10 hours

Insufflated

• Thresh				Common				Heavy
  5	-	5	-	8	-	14	-	20	mg
  		Light				Strong

• • Total: 3 - 6 hours
  • Onset: 10 - 30 minutes
  • Peak: 1 - 2 hours
  • Offset: 1 - 2 hours
  • Afterglow: 4 - 8 hours

Physical effects

• • Stimulation
• • Appetite suppression
• • Abnormal heartbeat
  • Dehydration
  • Dizziness
  • Increased heart rate
  • Increased perspiration
  • Nausea
  • Teeth grinding
  • Vasoconstriction

Visual effects

• • Time distortion

Cognitive effects

• • Cognitive euphoria
  • Compulsive redosing
  • Time distortion
• • Analysis enhancement
  • Increased libido
  • Increased music appreciation
  • Memory enhancement
  • Motivation enhancement
  • Thought organization
• • Emotion suppression
  • Suggestibility suppression
  • Thought deceleration

See also

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