Dose Conversion: Risperidone Consta & Invega Sustenna

(Q.1): HOW TO CONVERT ORAL RISPERIDONE TO RISPERIDONE CONSTA?

ORAL RISPERIDONE RISPERIDONE CONSTA
3 mg/day or less. 25 mg
>3 to <5 mg/day or less 37.5 mg
> 5 mg/day 50 mg

(Q.2): HOW TO CONVERT RISPERIDONE CONSTA TO INVEGA SUSTENNA?

RISPERIDONE CONSTA (mg/2week)INVEGA SUSTENNA (mg/month)
12.5 mg 39 mg
25 mg 78 mg
37.5 mg 117 mg
50 mg 156 mg
75 mg 234 mg

Source:

  1. RISPERDAL CONSTA® (risperidone) package insert.
  2. Invega Sustenna® package insert.
  3. J Clin Psychiatry. 2007 Aug;68(8):1218-25.

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Dr. Harvinder Singh, M.D. (Admin)


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