Methylphenidate
CNS stimulant used for ADHD and narcolepsy.
Methylphenidate, sold under brand names including Ritalin and Concerta, is a central nervous system (CNS) stimulant used primarily to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. It is available in immediate-release and extended-release oral formulations as well as a transdermal patch, and is considered a first-line treatment for ADHD in children, though amphetamine is preferred in adults.
- field
- Pharmacology, Psychiatry
- known_for
- Treatment of ADHD and narcolepsy
- common_brand_names
- Ritalin, Concerta
- drug_class
- CNS stimulant (phenethylamine and piperidine classes)
- mechanism
- Blocks reuptake of dopamine and norepinephrine
Lore & Background
Methylphenidate is most commonly prescribed for attention deficit hyperactivity disorder (ADHD) and narcolepsy. For ADHD, its effectiveness is comparable to atomoxetine but modestly lower than amphetamine; however, it is preferred as a first-line treatment in children, while amphetamine is preferred in adults. The drug reduces core ADHD symptoms partly by enhancing executive functions such as working memory, sustained attention, and inhibitory control. At therapeutic doses, it increases alertness and concentration while reducing hyperactivity and impulsive behavior.
Reader's Guide
Methylphenidate's significance lies in its widespread use as a first-line medication for ADHD, particularly in children, and its role in treating narcolepsy. The International Consensus Statement on ADHD describes it as among the most efficacious drugs in all of medicine, with long-term treatment substantially reducing accidental injuries, substance abuse, depression, and other adverse outcomes. Professional groups such as the European Society for Child and Adolescent Psychiatry and the American Academy of Pediatrics endorse its use. Common side effects include loss of appetite, weight loss, trouble sleeping, and small increases in heart rate and blood pressure; long-term use in children is associated with slightly slower growth. Misuse, dependence, and withdrawal are mainly reported with high-dose or non-medical use.
Did You Know?
- Methylphenidate is believed to work by blocking the reuptake of dopamine and norepinephrine by neurons.
- Long-term treatment in children has been associated with slightly slower growth.
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