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Generic Name: Methylphenidate hydrochloride
Product Name: Ritalin



Proposed mode of action of psychostimulants in ADHD is enhancement of dopaminergic and noradrenergic neurotransmission. This aims to reduce functional impairment across a range of settings (including home, school and peer relationships) and minimize long term adverse effects on academic performance, vocational success, social and emotional development.

Dose advice

Attention Deficit Hyperactivity Disorder

  • ADHD in school age children: Initially 5-10mg daily given in 1-3 divided doses, increasing by daily dose by 5-10mg each week to a maximum of 40mg/day. When total daily dose is > 10mg/day give in 2-3 divided doses
  • ADHD in adults: Initially 10mg each morning, gradually increase daily dose as indicated clinically, by 5-10mg at weekly intervals to a maximum of 60mg/day.


  • Narcolepsy in adults: Initially 5mg twice daily (morning and noon), gradually increase to 20-30mg daily. Maximum of 60mg/day.


Schedule 8

Common side effects

Uncommon side effects

  • Movement disorders
  • Tics
  • Rash
  • Weight loss
  • Growth retardation

For further information talk to your doctor.

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Posted On: 22 July, 2003
Modified On: 18 March, 2016

Created by: myVMC