Substances:

Effects:

Notes:

Phencyclidine “Angel dust”, PCP

Psychosis very common, lack of judgment leads to reckless behaviour.

Other hallucinogens:

• LSD, mescaline (in peyote cactus), *psilocybin (*active ingredient of “shrooms”)

Overdose:

nystagmus (involuntary movement of eyes, slowly in one direction, fast in another), severe hypertension, convulsions, may be fatal.

5-HT2A agonists: sensory distortion, especially visual.

Psychedelic, “mind revealing” effects.

• Also, somatic effects: nausea, weakness, paraesthesia.

• Panic reactions, “bad trips”

• They are different from the other drugs in that they induce neither dependence nor addiction.

• Repetitive exposure leads to rapid tolerance

Parenteral BD’s protect against convulsions.