From the Vaults of Erowid......
DMT is Dimethyl Tryptamine = N,N Dimethyl 3-amino-ethyl indole. It is a powerful hallucinogen, the prototype of this class, and chemically related to psiloc(yb)in and more distantly to LSD. Dose: around 60 mg.
Method of ingestion:
Usually smoked (inactive orally at reasonable doses.) Can be combined with monoamine oxidase inhibitors (MAOI) to make it orally active and increase the duration. Could be snuffed or or injected.
Duration of action:
2-5 minutes of peak, around half an hour of cruise. Side effects: Stimulation and tactile hallucination during trip. No perceivable after-effects. No known long term side effects. May be some link with schizophrenia, since it has been detected in vivo.
Status:
Illegal in USA, Australia, most places.
History:
Is a component of some snuffs used by South American natives. also used in combination with MAOIs (harmaline etc.).
Availability:
Very rarely available from dealers; rarely synthesised. Available from a range of natural sources.
Psychological effects:
A very intense but brief trip, not really euphoric. Can be frightening because of the sudden onset. Not really a party drug, rather an interesting experience. More intense than LSD, but hallucinations and perceptual changes are of a somewhat different nature.