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DPT Facts

Psychedelic; Substituted tryptamine; Serotonin 2A receptor agonist

Description

DPT (N,N-dipropyltryptamine) is a synthetic psychedelic of the tryptamine class. It activates serotonin receptors and simultaneously floods the brain with stored serotonin[1][2] — a dual mechanism shared by no other classical psychedelic.

Subjective effects include geometric visual patterns, emotional warmth, a dissolving sense of self, deep introspective states, and heightened interpersonal connection. The experience blends classical psychedelic hallucination with empathogenic openness — clinical investigators consistently noted both qualities together,[3] distinguishing DPT from more purely visionary substances.

DPT does not produce physical dependence, and no pharmacological lethal dose has been established.[4] The primary risks are seizure at high doses and a life-threatening reaction when combined with MAO inhibitors or antidepressants, which amplify DPT's serotonin release to toxic levels.safety citation needed

Dose and durationby route · individual sensitivity varies

Oral(mg)
Threshold< 50 mgLight50 – 100 mgCommon100 – 175 mgStrong175 – 250 mgHeavy250+ mg

Starts in 20 – 60 minLasts 2 – 4 hoursAfter-effects 2 – 3 hours

Body and dependence

Acute toxicity
Low
Chronic toxicity
Low
Physical dependence
None
Psychological dependence
Negligible
Withdrawal
None recorded
Compulsive redosing
Negligible

Tolerance

Builds
None
Fully resets after
Not recorded
Carries over to
DOI; 2C-T-7; LSD; psilocybin; mescaline

Effectslikely at a common dose

Perception
Color alteration; Environmental patterning; Symmetrical texture repetition; Tracers; Color enhancement; Visual drifting; Ganzfeld effect; Geometry; Holotropic state; Visual breathing; Visual morphing; +26 possible, including Visual haze / noise, Spatial disorientation, Vestibular distortion
Body
Spontaneous body sensations; Pupil dilation; Wakefulness; Body high; Body scan awareness; +32 possible, including Motor control impairment, Muscle tension, Nausea
Thinking
Conceptual thinking; Novelty enhancement; Immersion enhancement; Confusion; Thought disorganization; Cognitive impairment; Decision impairment; Focus suppression; Introspection enhancement; +24 possible, including Language suppression, Thought loops, Memory suppression
Feeling
Anxiety; Emotional enhancement; +7 possible, including Dysphoria, Emotional lability, Paranoia
Self
none likely · 8 possible, including Communication suppression, Depersonalization, Derealization
Time
Time alteration; +4 possible, including Temporal disorientation
Transpersonal
none likely · 1 possible
Awareness
Personal insight; +1 possible

Who shouldn't take it

Absolute
Epilepsy; Bipolar disorder; Psychotic disorders; Pregnancy and breastfeeding; MAOI use
Relative
Uncontrolled hypertension; Serotonergic medication use

Combinations61 recorded

Lethal (1)
MAOIs
Dangerous (19)
MDMA, MDA; Alpha-2 adrenergic receptor antagonist; Dopamine agonists; DXM; GHB, Baclofen; GHB, GBL; Ibogaine; Ketamine, DXM, PCP; Lithium; Local anesthetics; MDMA, Amphetamines; NDRIs (Wellbutrin); NRIs; Psychedelics; Salvia, Ibogaine; SNRIs; SSRIs; Stimulants; Synthetic cannabinoids
Caution (37)
See full page: psychedex.org/substances/dpt
Not graded (4)
Not listed never means safe.

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

  1. Stay calm and reassure — remind them they took a drug and the effect will pass
  2. Move to a calm, quiet, safe space with low light; reduce noise and sensory input
  3. Keep them from harm — they may act on fear or confusion; stay with them, don't leave them alone
  4. Talk them down gently; don't grab or restrain unless they're in danger
  5. For the medical signs above (overheating, seizure, chest pain, vasoconstriction, unresponsive) call emergency services
  6. 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

Version r1 · Not medical advice

References

  1. [1]
    ^Tyagi R, Saraf TS, Canal CE (2023) The Psychedelic N,N-Dipropyltryptamine Prevents Seizures in a Mouse Model of Fragile X Syndrome via a Mechanism that Appears Independent of Serotonin and Sigma1 Receptors. — ACS pharmacology & translational science doi:10.1021/acsptsci.3c00137
  2. [2]
    ^Cozzi NV, Gopalakrishnan A, Anderson LL, Feih JT, Shulgin AT, Daley PF, Ruoho AE (2009) Dimethyltryptamine and other hallucinogenic tryptamines exhibit substrate behavior at the serotonin uptake transporter and the vesicle monoamine transporter. — Journal of neural transmission doi:10.1007/s00702-009-0308-8
  3. [3]
    ^Grof S, Soskin RA, Richards WA, Kurland AA (1973) DPT as an adjunct in psychotherapy of alcoholics. — International pharmacopsychiatry PMID:4150711
  4. [4]
    ^Neukamm MA, Pollak S, Thoma V, Vogt S, Huppertz LM, Auwärter V (2024) A fatal case of aspiration due to consumption of the hallucinogenic tryptamine derivative dipropyltryptamine (DPT). — Journal of pharmaceutical and biomedical analysis doi:10.1016/j.jpba.2023.115959
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