Psychedelics

Drug name	Street name
Cannabis	Dope, hash, pot
Amanita muscaria	Fly agaric, magic mushrooms
Psilocybe semilanceata	Liberty cap, magic mushrooms
Lysergic acid diethylamide (LSD)	Acid, trips
Dimethyltryptamine (DMT)	Businessman's lunch
Phencyclidine	PCP, angel dust

Street use
See individual drugs. Cannabis is the most widely used illicit drug. Its use tends to be recreational in nature, as does the use of LSD and magic mushrooms. Liberty cap grows in the autum, therefore its use use tends to be seasonal, although the dried fungus can be stored.

Drug effects
Psychedelics change the way the user perceives the world, with heightened appreciation of sensory experiences, perceptual distortions, feelings of disassociation and elevation of mood. Users sometimes report deeply spiritual, religious or intellectual revelations.

Dependency
Minimal risk of physical dependence. Psychological dependency can occur very occasionally.

Withdrawal
See individual entries.

Long term use
Apart from those linked to smoking (cannabis), there are no known physical dangers attributed to long term use. Adverse psychological reactions are possible. Psychedelic drugs can trigger latent mental health problems.

Overdose risk
Overdose risk is small. Fly agaric mushrooms can be associated with heart failure in overdose.

Risk in pregnancy
No significant harmful effects of the use of cannabis, LSD and magic mushrooms have been confirmed.

Legal status
There is some variation in the legal classification of drugs in this group - see individual entries for legal status.