PTCE Top 200 · #127

Dexmethylphenidate

Focalin

Dexmethylphenidate is the generic name for the brand-name drug Focalin. It is a stimulant (adhd) used to treat ADHD. On the PTCE Top 200 drug list, Dexmethylphenidate ranks #127 and is one of the most frequently tested cns/psych medications — commonly quizzed on its brand–generic pair, drug class, and key side effects.

Generic name	Dexmethylphenidate
Brand name(s)	Focalin
Drug class	Stimulant (ADHD)
Class group	CNS/Psych
Common use	ADHD
DEA schedule	C-II
Availability	Prescription only (Rx)

What is Dexmethylphenidate used for?

Treatment of attention deficit hyperactivity disorder (ADHD).

What drug class is Dexmethylphenidate?

Dexmethylphenidate is a Stimulant (ADHD) in the CNS/Psych group. Knowing the class is the fastest way to predict its uses, side effects, and the brand↔generic pairs the PTCE tests.

Common side effects of Dexmethylphenidate

arrow_rightDecreased appetite
arrow_rightInsomnia
arrow_rightAbdominal pain
arrow_rightHeadache
arrow_rightNervousness/anxiety
arrow_rightIncreased heart rate
arrow_rightWeight loss

Major interactions

arrow_rightMAO inhibitors (within 14 days) → hypertensive crisis (contraindicated)
arrow_rightOther sympathomimetics → additive cardiovascular stimulation
arrow_rightAntihypertensives → may reduce BP control

Is Dexmethylphenidate a controlled substance?

Yes. Dexmethylphenidate is a C-II controlled substance under federal law.

warning Boxed warning

WARNING: ABUSE AND DEPENDENCE. CNS stimulants have a high potential for abuse and dependence; assess risk prior to prescribing and monitor for signs of abuse and dependence.

How to remember Dexmethylphenidate (PTCE mnemonic)

FOCAL-in FOCuses — dex-methylphenidate is the 'active' enantiomer (Ritalin's better half), C-II. ↓Appetite, ↓sleep, ↑BP/HR; AM dose only.

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PTCE exam tip

Dexmethylphenidate is the active half of methylphenidate at roughly HALF the dose — Schedule II handling, and the Focalin vs Ritalin distinction is the trap.