Tryk sprøjtens spids ind i hætteglasadgangsudstyret, og drej med uret for at sikre, at sprøjten sidder godt fast på den hvide luerspids på hætteglasadgangsudstyret.
Risperidone should be used with caution in combination with other centrally-acting substances notably including alcohol, opiates, antihistamines and benzodiazepines due to the increased risk of sedation.