Summary
MDPR is a synthetic phenethylamine. Very little is known about its possible effects as there is nearly no history of human use.
Perspectives
“There are the slightest hints of physical response, maybe a smidgin of a lightheadedness at the one hour point. Perhaps a slight teeth clench. Certainly there is no central mental effect.”
Tolerance
Build-up
develops rapidly after a single use (serotonergic psychedelic)
Reset
7–14 days for baseline
Effects
Positive
- Stimulation
- Physical euphoria
Negative
- Increased heart rate
- Vasoconstriction
- Insomnia
- Teeth grinding
- Nausea
- Pupil dilation
- Increased perspiration
- Decreased appetite
Positive
- Alertness enhancement
- Euphoria
- Wakefulness
- Cognitive euphoria
- Motivation enhancement
- Focus enhancement
Negative
- Anxiety
- Talkativeness
- Time distortion
- Thought acceleration
Positive
- Increased music appreciation
- Tactile enhancement
- Increased libido
- Color enhancement
- Enhanced tactile sensation
Negative
- Light sensitivity
- Appetite suppression
- Dehydration
- Disinhibition
- Drifting
PiHKAL / TiHKAL
PiHKAL #118: MDPR
“There are the slightest hints of physical response, maybe a smidgin of a lightheadedness at the one hour point. Perhaps a slight teeth clench. Certainly there is no central mental effect.”