4-HO-DiPT Facts
Psychedelic;
Description
4-HO-DiPT (4-hydroxy-N,N-diisopropyltryptamine) is a synthetic psychedelic of the tryptamine class. It activates serotonin receptors in the brain and also slows serotonin reuptake,[1] producing the visual and cognitive shifts characteristic of classical psychedelics.[2]
Subjective effects include color enhancement, mild visual distortion, introspective thought, time compression, and heightened body awareness. The experience is defined by its brevity — a full psychedelic state that arrives fast and ends well before a psilocybin trip would peak, with lighter visuals and closer in character to smoked DMT than to oral mushrooms.
4-HO-DiPT does not produce physical dependence, and no lethal dose has been established.safety citation needed The primary danger is the steep dose-response curve — a modest increase in dose can shift the experience from mild to overwhelming, making precise measurement critical;[3] combining it with MAOIs or tramadol risks dangerous overloading of the serotonin system.
Dose and durationby route · individual sensitivity varies
Starts in 10 – 20 minLasts 2 – 3 hoursAfter-effects 1 – 3 hours
Body and dependence
- Acute toxicity
- Low
- Chronic toxicity
- Negligible
- Physical dependence
- None
- Psychological dependence
- Negligible
- Withdrawal
- None recorded
- Compulsive redosing
- Negligible
Tolerance
- Builds
- Rapid
- Fully resets after
- 7 days
- Carries over to
- psilocybin;
psilocin; lsd; dmt; mescaline; 4-aco-dmt; 4-ho-met
Effectslikely at a common dose
- Perception
- Visual breathing;
Visual drifting; Color alteration; Auditory distortion; Color enhancement; Geometry; +27 possible, including Vestibular distortion, Visual haze / noise, Spatial disorientation - Body
- Body high;
Body scan awareness; Pupil dilation; +26 possible, including Dizziness, Heart rate perception changes, Insomnia - Thinking
- none likely · 32 possible, including Memory suppression, Thought loops, Cognitive impairment
- Feeling
- none likely · 8 possible, including Emotional lability, Anxiety, Paranoia
- Self
- none likely · 8 possible, including Depersonalization
- Time
- Time alteration;
+4 possible, including Temporal disorientation - Transpersonal
- none likely · 1 possible
- Awareness
- none likely · 4 possible
Who shouldn't take it
Combinations61 recorded
Seek help immediately if
Most difficulty is psychological (intense fear, panic, confusion) and passes with calm support — the signs below mean seek emergency help:
- Very high body temperature; hot, dry skin
- Seizures
- Chest pain; fast or irregular heartbeat
- Severe muscle rigidity, tremor, or twitching (possible serotonin syndrome)
- Cold, pale, or blue fingers/toes — severe vasoconstriction (notably NBOMe / DOx)
- Persistent vomiting; unconsciousness; uncontrollable agitation or risk of self-harm
What to do
- Stay calm and reassure — remind them they took a drug and the effect will pass
- Move to a calm, quiet, safe space with low light; reduce noise and sensory input
- Keep them from harm — they may act on fear or confusion; stay with them, don't leave them alone
- Talk them down gently; don't grab or restrain unless they're in danger
- For the medical signs above (overheating, seizure, chest pain, vasoconstriction, unresponsive) call emergency services
- If overheating, cool the body; be ready to give rescue breaths / CPR
The experience is time-limited and usually resolves with calm reassurance in a safe setting — psychological first aid, not medication. Serious physical harm is uncommon for classic psychedelics (LSD, psilocybin) but real for some potent phenethylamines (NBOMe, DOx), where hyperthermia, seizures, and vasoconstriction warrant emergency care.
988 Suicide & Crisis LifelineFireside Project: 62-FIRESIDE
References
- [1]^Rickli A, Moning OD, Hoener MC, Liechti ME (2016) Receptor interaction profiles of novel psychoactive tryptamines compared with classic hallucinogens — European Neuropsychopharmacology doi:10.1016/j.euroneuro.2016.05.001
- [2]^Kelly TJ, Bonniwell EM, Mu L, Liu X, Hu Y, Friedman V, Yu H, Su W, McCorvy JD, Liu QS (2024) Psilocybin analog 4-OH-DiPT enhances fear extinction and GABAergic inhibition of principal neurons in the basolateral amygdala — Neuropsychopharmacology doi:10.1038/s41386-023-01744-8
- [3]