Rx Dosages

Question 1

Acute psychosis

Answer 1

Lorazepam 2-4mg IMI stat
PLUS
Haloperidol 5-10mg IMI stat

Question 2

Haloperidol

Answer 2

0,5-15mg PO nocte

Question 3

Chlorpromazine

Answer 3

• Typical antipsychotic

200-800mg PO nocte

Question 4

Acute dystonia

Answer 4

Biperidene 5mg IVI/IMI

Question 5

Parkinsonism

Answer 5

Biperidene 2mg PO 1-3x/d

Question 6

Akathisia

Answer 6

Propranolol 10-30mg PO tds

Question 7

Risperidone

Answer 7

1-8mg PO nocte

Question 8

Olanzapine

Answer 8

-atypical

5-20mg PO nocte

Question 9

Quetiapine

Answer 9

300-800mg PO nocte

Aka seroquel

Question 10

Clozapine

Answer 10

100-800mg PO nocte

• start with 12,5mg nocte, then bd, then increase morning dose etc
• weekly WCC & plts

Question 11

Aripiprazole

Answer 11

10-30mg PO nocte

Question 12

Lamotrigine

Answer 12

Mood stabilizer (depr. Episode, prevent depr. And mania)
200-500mg PO OD
-start at 25mg od, up titrate every 2w
-maintenance 100-200mg nocte

Question 13

Lithium

Answer 13

500mg PO mane starting dose

• maintenance 0,5-0,9 levels
• acute mania up to 1,5

Question 14

Sodium valproate

Answer 14

Epilim

250mg - 1250mg PO bd

Question 15

Methylphenidate

Answer 15

Ritalin
5mg/d, increase weekly by 5mg/d at a time
max - 60mg/d

Question 16

Atomoxetine

Answer 16

-non-stimulant alternative to methylphenidate
0,5mg/kg/d, up to 1,2mg/kg/d
If over 70kg: 100mg/d max dose

Question 17

SSRI’s

Answer 17

Fluoxetine
Citalopram
Escitalopram
Sertraline
Paroxetine

Question 18

Fluoxetine

Answer 18

10-60mg/d

Effective at 20mg/d

Question 19

Citalopram

Answer 19

10-50mg/d

Effective at 20mg/d

Question 20

Sertraline

Answer 20

25-200mg/d

Effective at 50mg/d