2C-D Facts
Psychedelic;
Description
2C-D (2,5-dimethoxy-4-methylphenethylamine) is a synthetic psychedelic of the phenethylamine class. It activates serotonin receptors in the brain,[1][2][3] producing mild perceptual and cognitive shifts.
Subjective effects include mild sensory enhancement, mood elevation, facilitated communication, and subtle perceptual shifts.[4] The experience is defined by its transparency — a gentle broadening of awareness that amplifies mood and environment rather than imposing its own character.
2C-D produces no physical dependence, and no fatality attributed to it alone appears in the medical literature.[5] The main danger is combining it with SSRIs or MAOIs — 2C-D both activates serotonin receptors and inhibits the enzyme that clears serotonin,[6] which can trigger a dangerous overload.
Dose and durationby route · individual sensitivity varies
Starts in 15 – 45 minLasts 4 – 6 hoursAfter-effects 1 – 4 hours
Body and dependence
- Acute toxicity
- Low
- Chronic toxicity
- Low
- Physical dependence
- None
- Psychological dependence
- Negligible
- Withdrawal
- None recorded
- Compulsive redosing
- Negligible
Tolerance
- Builds
- Rapid
- Fully resets after
- 7 days
- Carries over to
- lsd;
psilocybin; mescaline; 2c-b; 2c-e; 2c-i; dom; doi
Effectslikely at a common dose
- Perception
- none likely · 24 possible, including Spatial disorientation, Visual haze / noise
- Body
- Stimulation;
Pupil dilation; +18 possible, including Nausea, Heart rate perception changes, Insomnia - Thinking
- none likely · 23 possible, including Memory suppression, Suggestibility enhancement
- Feeling
- none likely · 7 possible, including Anxiety, Emotional lability
- Self
- none likely · 7 possible, including Derealization
- Time
- none likely · 3 possible, including Temporal disorientation
- Transpersonal
- none likely · 1 possible
- Awareness
- none likely · 3 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]
- [2]^Aghajanian GK, Marek GJ (1999) Serotonin, via 5-HT2A receptors, increases EPSCs in layer V pyramidal cells of prefrontal cortex by an asynchronous mode of glutamate release — Brain Research PMID:10216183
- [3]
- [4]
- [5]^Dean BV, Stellpflug SJ, Burnett A, Engebretsen KM (2013) 2C or Not 2C: Phenethylamine Designer Drug Review — Journal of Medical Toxicology doi:10.1007/s13181-013-0295-x
- [6]^Wagmann L, Brandt SD, Stratford A, Maurer HH, Meyer MR (2019) Interactions of phenethylamine-derived psychoactive substances of the 2C-series with human monoamine oxidases — Drug Testing and Analysis doi:10.1002/dta.2494