Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Needle Size Comparison Between Long-Acting Injectable Formulations of Risperidone
| Medication | Needle Size and Location | ||
|---|---|---|---|
| Deltoid | Gluteus | Abdomen | |
| Risperidone (SQ injection) | 18-gauge, ⅝′′ | ||
| Risperidone (IM injection) | 21-gauge 1′′ | 20-gauge 2′′ | |
| Paliperidone palmitate (1-month) | 23-gauge 1′′ (< 90 kg) 22-gauge 1½′′ (≥90 kg) | ||
| Paliperidone palmitate (3-month) | 22-gauge 1′′ (< 90 kg) 22-gauge 1½′′ (≥90 kg) | ||
