Methylphenidate (US brand names Ritalin®, Ritalin SR®, Ritalin LA®, and generic) is a central nervous system stimulant. Here is basic information about this medication.
1. Attention deficit disorders
2. Narcolepsy (Ritalin®, Ritalin SR®only)
Methylphenidate (Ritalin®) tablets
1. Children and adolescents (ages 6-17)
Initial: 5 mg twice daily (before breakfast and lunch)
Titration: 5—10 mg increments weekly
Maximum: 60 mg daily
10—60 mg daily in 2-3 divided doses before meals (titrate to effect and tolerance)
Average dose: 20—30 mg daily
Should be taken 30-45 minutes before meals. If sleeping problems occur, last dose should be taken before 6 pm.
Methyphenidate (Ritalin SR®) sustained-release tablets
Ritalin-SR tablets have a duration of action of approximately 8 hours.
Ritalin-SR® tablets may be used in place of Ritalin® tablets in children (ages 6-12), adolescents (ages 13-17), and adults when the 8-hour dosage of Ritalin-SR® corresponds to the titrated 8-hour dosage of Ritalin®. SR Tablets should not be chewed or crushed.
Methylphenidate (Ritalin LA®) extended-release capsules
Initial: 20 mg orally once daily
Titration: 10—20 mg increments per week
Maximum: 60 mg once daily in the morning
Extended-release capsules should be taken once daily in the morning. Capsules may be swallowed as whole capsules or alternatively may be administered by sprinkling the capsule contents on a small amount of applesauce.
Dosage forms and strengths
Tablets (US brand name Ritalin® and generic): 5 mg, 10 mg (scored), and 20 mg (scored)
Sustained-release tablets (US brand name Ritalin SR® and generic): 20 mg
Extended-release capsules (US brand name Ritalin LA® and generic): 10 mg, 20 mg, 30 mg, 40 mg, and 60 mg
Please refer to Prescribing Information (see link below) for complete discussion of dosage, administration, warnings and precautions, contraindications, etc.
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