Summary
Isopropylphenidate (also known as IPH, IPPH, IPD and IPPD) is a novel lesser-known stimulant of the phenidate chemical class. It is a structural analog of the widely-prescribed ADHD medication methylphenidate. It is a norepinephrine-dopamine reuptake inhibitor (NDRI).
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Insufflated | 5-10mg | 10-20mg | 20-35mg | 35mg+ |
| Oral | 5-15mg | 15-25mg | 25-45mg | 45mg+ |
Light
Common
Strong
Heavy
Onset, Duration & After-effects
| ROA | Onset | Comeup | Peak | Offset | After Effects | Total |
|---|---|---|---|---|---|---|
| Insufflated | 0-6 min | 12-30 min | 1-2 hrs | 60-90 min | 60-0 min | 180-0 min |
| Oral | 12-30 min | 18-42 min | 1.5-2.5 hrs | 1-2 hrs | 60-0 min | 180-0 min |
Tolerance
Build-up
develops over days to weeks of regular use
Reset
3–7 days for acute tolerance; longer for full reset
Effects
Positive
- Stimulation
Negative
- Increased heart rate
- Increased Heart Rate
- Vasoconstriction
- Teeth grinding
- Pupil dilation
- Teeth Grinding
- Increased blood pressure
- Abnormal heartbeat
- Spontaneous bodily sensations
Positive
- Alertness enhancement
- Wakefulness
- Cognitive euphoria
- Euphoria
Negative
- Anxiety
- Depression
- Irritability
- Thought deceleration
- Cognitive fatigue
- Talkativeness
Positive
- Increased music appreciation
- Increased libido
Negative
- Light sensitivity
- Dehydration
- Appetite Suppression
- Appetite suppression
- Double vision
- Disinhibition
- Increased sexuality
- Visual and auditory hallucinations