THE MEDICAL MANAGEMENT OF INTOXICATION

CANNABIS

Intoxication is characterised by behavioural changes such as euphoria and impaired motor coordination but in some individuals social withdrawal, anxiety and panic. Conjunctival injection, tachycardia, dry mouth and increased appetite occur frequently. The course is self-limiting to several hours and is never directly lifethreatening. Intoxication may occasionally precipitate a psychotic reaction in vulnerable individuals.

HALLUCINOGENS (LSD, MAGIC MUSHROOMS)

Intoxication is characterised by a mild to moderate stimulant

reaction with pupillary dilation, tachycardia and sweating, leading onto intense perceptual and mood changes. Intoxication is only very rarely directly lifethreatening (see stimulant intoxication), although death may occur through suicide or accidents.

PHENCYCLIDINE (PCP)

Behavioural changes and physical signs such as nystagmus, hypertension, tachycardia, diminished responsiveness to pain, ataxia, slurred speech occur after moderate doses. Higher doses may progress to cardiorespiratory depression, coma and death. Psychosis may supervene in vulnerable individuals.

NICOTINE

Intoxication occurs only very rarely and has been poorly studied.

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The above information is copyright of Dr Bruce Trathen MBBS MRCPsych (2006). ISBN 0-9545164-0-0. The author grants permission for these guidelines to be downloaded, copied and distributed freely, but does not grant permission for their sale.