alpha-PiHP
Aliases: Pihp, Funky, 4-me-pvp, Alpha-phip, a-pihp
Summary
Alpha-PiHP is a potent synthetic cathinone and positional isomer of alpha-PHP, with significantly higher potency than cocaine and methamphetamine as a dopamine transporter inhibitor. It typically appears as white to off-white powder and is consumed orally, insufflated, or vaporized. The substance has been linked to fatal intoxications and severe adverse effects including cardiac complications, psychosis, and seizures.
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 5-15mg | 15-30mg | 30-50mg | 50mg+ |
| Insufflated | 3-10mg | 10-25mg | 25-40mg | 40mg+ |
| Vaporized | 2-10mg | 10-20mg | 20-30mg | 30mg+ |
| Vapourized | 2-10mg | 10-20mg | 20-30mg | 30mg+ |
Onset, Duration & After-effects
| ROA | Onset | Peak | Offset |
|---|---|---|---|
| Oral | 30-60 min | 1-2 hrs | 2-5 hrs |
| Insufflated | 1-2 min | 1-2 hrs | 2-4 hrs |
| Vapourized | 1 min | 1-3 hrs | - |
Effect Profile
2 reportsScores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Weighted by importance: core (×3), major (×2), minor (×1)
Moderate stimulation and euphoria with mild sensory enhancement
Strong anxiety/jitters with moderate euphoria and focus, mild stimulation
Tolerance
Tolerance Decay
Withinโsession acute tolerance to euphoria rises rapidly; nextโday effects are often blunted while sideโeffects remain. Rough return to baseline sensitivity typically requires 1โ2 weeks after heavy use. Data primarily from user reports; individual variability high.
Cross-Tolerances
Effects
- Stimulation
- Increased heart rate
- Increased blood pressure
- Vasoconstriction
- Teeth grinding
- Headache
- Insomnia
- Increased perspiration
- Mouth numbing
- Difficulty urinating
- Euphoria
- Focus enhancement
- Motivation enhancement
- Cognitive euphoria
- Wakefulness
- Anxiety
- Paranoia
- Compulsive redosing
- Thought acceleration
- Ego inflation
- Tactile enhancement
- Increased libido
- Increased music appreciation
- Disinhibition
- Appetite suppression
- Dehydration
- Light sensitivity
- Spontaneous physical sensations
- Vibrating vision
- Increase sexuality