20
Treatment
Long-acting injectable antipsychotic medications: dosing*
Generic name Trade name Dose conversions
Initial dose
(mg)
First-generation antipsychotics
Fluphenazine Prolixin
Decanoate
For each 10 mg/day
oral, give 12.5 mg
decanoate every 3
weeks
6.25–25 every
2 weeks
Haloperidol Haldol
decanoate
For each 5 mg/day
oral, give 50–75 mg
decanoate every 4
weeks
Determined by oral
dose and/or risk
of relapse up to a
maximum of 100 mg
Second-generation antipsychotics
Aripiprazole
monohydrate
Abilify
Maintena
Not applicable 400
Aripiprazole
lauroxil
Aristada
Initio
Not applicable 675
Aripiprazole
lauroxil
Aristada 10 mg/day orally, give
441 mg IM/month
15 mg/day orally, give
662 mg/month IM,
882 mg IM every 6
weeks, or 1,064 mg
IM every 2 months
20 mg/day or greater
orally, give 882 mg/
month IM
Monthly:
441, 662, 882
Every 6 weeks:
882
Every 2 months:
1,064
