Hallucinogen Related Disorders

Question 1

what drugs are included under the “phencyclidine” disorders

Answer 1

PCP

ketamine

cyclohexamine

dizocilpine

Question 2

how do the phencyclidine drugs work

Answer 2

dissociatives in low doses

can result in stupor and coma at high doses

Question 3

how long might the hallucinogenic effects of the phencyclidine stubstances last in vulnerable people

Answer 3

can last for weeks and may precipitate a persistent psychotic episode resembling SCZ

Question 4

is there a withdrawal syndrome assoc with the phencyclidine drugs

Answer 4

no

Question 5

what symptoms are associated with phencyclidine intoxication

Answer 5

dissociative symptoms

analgesia

nystagmus

HTN

risk of hypotension and shock

can have violent behaviour (may believe they are being attacked)

Question 6

which gender is most represented in ER visits for phencyclidine related reasons

Answer 6

men = 3/4

Question 7

what 3 signs may distinguish phencyclidine from other hallucinogens

Answer 7

nystagmus

analgesia

prominent HTN

Question 8

does tolerance to LSD/other hallucinogens extend to other drugs like amphetamines

Answer 8

no

Question 9

list 8 symptoms of phencyclidine intoxication

Answer 9

vertical or horizontal nystagmus

HTN or tachycardia

numbness or diminished responsiveness to pain

ataxia

muscle rigidity

dysarthria

seizures or coma

hyperacusis

Question 10

what dx might you consider in someone that keeps having perceptual disturbances after use of a hallucinogen

Answer 10

hallucinogen persisting perception disorder

Question 11

which hallucinogen is most associated wtih hallucinogen persisting perception disorder

Answer 11

LSD (but not exclusively this)

can occur with only minimal exposure

Question 12

does reality testing remain in tact with hallucinogen persisting perception disorder

Answer 12

yes

Question 13

what is the prevalence of hallucinogen persisting perception disorder among those who use hallucinogens

Answer 13

4.2%