מינונים בארה"ב והמרות
המינונים הרשמיים בארה"ב ובארץ זהים. עד 60 מ"ג. ייתכן ועושים כל מיני ניסיונות אבל זה לא טיפול מקובל. יש להבין כי במינונים גבוהים שכיחות תופעות הלוואי עולה. להלן ציטוט מאתר מקצועי. >= 6 years: Immediate release tablets including chewable tablets (Ritalin, Methylin, methylphenidate): Initial Dose: 2.5 to 5 mg orally twice daily, taken 30 to 45 minutes before breakfast and lunch. Maintenance dose: Doses may be increased weekly in increments of 5 to 10 mg up to a maximum of 60 mg/day in 2 or 3 divided doses. For patients who have trouble sleeping at night while receiving methylphenidate, the last dose should be taken before 6 PM. Sustained release tablets (Ritalin SR, Metadate ER): Initial Dose: Methylphenidate is also available as a 10 mg and 20 mg sustained release tablets with a duration of action of approximately 8 hours. If dose of the sustained release tablet corresponds with the titrated dose of methylphenidate regular tablets (taken not more frequently than every 8 hours), then the sustained release tablets may be used instead of the regular tablets. Maintenance Dose: The dose may be increased in weekly increments of 10 mg, up to a maximum of 60 mg/day, with the first dose taken before breakfast. Tablets should not be crushed or chewed. Extended release capsules (Metadate CD): Initial Dose: 20 mg orally once a day in the morning before breakfast. Maintenance Dose: Doses may be increased weekly in increments of 20 mg up to a maximum of 60 mg once daily in the morning. Capsules should not be opened, chewed, or crushed. Extended release tablets (Concerta): Initial: (Methylphenidate-naive patients) 18 mg once daily in the morning before breakfast. If switching from immediate release tablets 10 to 15 mg/day or sustained release tablets 20 mg/day: 18 mg once daily. If switching from immediate release tablets 20 to 30 mg/day or sustained release tablets 40 mg/day: 36 mg once daily. If switching from immediate release tablets 30 to 45 mg/day or sustained release tablets 60 mg/day: 54 mg once daily. Maintenance: May increase by 18 mg increments at weekly intervals up to a maximum of 54 mg once daily in the morning before breakfast. Tablets should not be chewed, divided, or crushed.
לאחר מאמצי זיוה וריטה הרבים
