StimulantPrescription only
Methylphenidate
Tablet or capsule
Quick Summary
Methylphenidate improves attention and reduces hyperactivity.
ADHD
Medical Uses
ADHD: As part of a wider treatment plan.
How it's taken
Usually taken in the morning (and sometimes midday) to avoid sleep problems.
Your doctor decides the right dose for you and how long to take it.
Your doctor decides the right dose for you. Follow their instructions and the label.
Common Side Effects
Reduced appetite
Common.
Sleep problems
Sometimes.
Raised heart rate
Monitored.
Interactions
MAOI antidepressants
Dangerous combination.
Critical Warnings
Misuse
Black Box Warning: Controlled medicine; store safely.
Growth and heart checks
Regular monitoring in children.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Methylphenidate: drug information(opens in a new tab) · MedlinePlus, US National Library of Medicine
- Methylphenidate for children: a medicine used to treat attention deficit hyperactivity disorder (ADHD)(opens in a new tab) · NHS