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 In some instances, a doctor may use methylphenidate, such as Ritalin, to treat narcolepsy. Sarah Fielding,, 6 Dec. 2021 Other studies have shown that methylphenidate, a stimulant often called by the brand name Ritalin and commonly used to treat ADHD, may not work as well for those with SCT. Rebecca Sohn, STAT, 14 Apr. 2021 Neurologists at Massachusetts General Hospital in Boston revamped a pilot study of methylphenidate, the active ingredient in Ritalin, in seniors with mild dementia or cognitive impairment. Emily Anthes, New York Times, 18 Feb. 2021 There has also been an increase in deaths involving cocaine and psychostimulants such as methamphetamine, MDMA and methylphenidate (commonly sold as Ritalin). Jen Christensen, CNN, 31 Oct. 2019 For example, the AAP suggests doctors prescribe methylphenidate (sold under brand names including Ritalin) to preschool-age children when behavioral therapy fails or isn’t available. Julia Belluz, Vox, 17 Dec. 2018 Many patients diagnosed with ADHD are treated with medications, most commonly stimulants, such as amphetamines (Adderall), lisdexamfetamine (Vyvanse), and methylphenidate (Ritalin)., 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, 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,, 28 June 2018

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.

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First Known Use of methylphenidate

1956, in the meaning defined above

History and Etymology for methylphenidate

methyl + phenyl + piperidine + acetate

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The first known use of methylphenidate was in 1956

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Dictionary Entries Near methylphenidate



methyl phthalate

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Last Updated

20 Dec 2021

Cite this Entry

“Methylphenidate.” Dictionary, Merriam-Webster, Accessed 18 Jan. 2022.

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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.

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