meth·​yl·​phe·​ni·​date | \ ˌme-thəl-ˈfe-nə-ˌdāt How to pronounce methylphenidate (audio) , -ˈfē-\

Definition of methylphenidate

: a mild stimulant C14H19NO2 of the central nervous system used in the form of its hydrochloride to treat narcolepsy and hyperactivity disorders (such as attention deficit disorder) in children

Examples of methylphenidate in a Sentence

Recent Examples on the Web

Many patients diagnosed with ADHD are treated with medications, most commonly stimulants, such as amphetamines (Adderall), lisdexamfetamine (Vyvanse), and methylphenidate (Ritalin)., "The dangers of misusing ADHD medications," 25 June 2018 Those drugs are not approved in the European Union, where methylphenidate—sold under various trade names, including Ritalin—is more commonly used. Arran Frood, Scientific American, "Use of “Smart Drugs” on the Rise," 6 July 2018 The rest were a combination of the opioid painkillers hydrocodone and codeine, and methylphenidate, a stimulant commonly known as Ritalin. Aubrey Whelan,, "Three Philly-area defendants charged in federal opioid crackdown," 28 June 2018 The researchers in the new study looked at exposure to four common medications used to treat ADHD: methylphenidate (e.g. Ritalin), amphetamine (e.g. Adderall), atomoxetine and modafinil. Mark Lieber, CNN, "Unnecessary and accidental use of ADHD drugs increases over 60%, study suggests," 21 May 2018 Ritalin, or methylphenidate, is in a class of medications called central nervous system stimulants, which are often used in children and adults to help control symptoms of ADHD or to treat narcolepsy. Jacqueline Howard, CNN, "NRA's incoming president ties Ritalin to school shootings, but here's what the science says," 21 May 2018 These include various preparations and formulations of amphetamine and methylphenidate. Andrea K. Mcdaniels,, "Children aren't the only ones with ADHD; adults get it as well," 17 May 2018 An earlier study had found no connection between methylphenidate and major malformations. Karen Weintraub, USA TODAY, "Why cases of ADHD in young women are skyrocketing," 18 Jan. 2018 The active ingredient was a highly addictive compound called methylphenidate. Ryan D'agostino, Esquire, "The Drugging of the American Boy," 27 Mar. 2014

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'methylphenidate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of methylphenidate

1956, in the meaning defined above

History and Etymology for methylphenidate

methyl + phenyl + piperidine + acetate

Keep scrolling for more

Learn More about methylphenidate

Statistics for methylphenidate

Look-up Popularity

Time Traveler for methylphenidate

The first known use of methylphenidate was in 1956

See more words from the same year

Keep scrolling for more

More Definitions for methylphenidate


meth·​yl·​phe·​ni·​date | \ ˌmeth-əl-ˈfen-ə-ˌdāt How to pronounce methylphenidate (audio) , -ˈfē-nə- How to pronounce methylphenidate (audio) \

Medical Definition of methylphenidate

: a mild stimulant of the central nervous system that is administered orally in the form of its hydrochloride C14H19NO2·HCl to treat narcolepsy and attention deficit disorder

Note: Trademarks for methylphenidate include Concerta, Quillivant, and Ritalin.

More from Merriam-Webster on methylphenidate Encyclopedia article about methylphenidate

Comments on methylphenidate

What made you want to look up methylphenidate? Please tell us where you read or heard it (including the quote, if possible).


marked by a state of overwhelming emotion

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
True or False

Test your knowledge - and maybe learn something along the way.

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!