Which amphetamine-like drug is commonly prescribed for narcolepsy?

In the context of treating narcolepsy, Modafinil is indeed a commonly prescribed medication, primarily because it promotes wakefulness and helps manage excessive daytime sleepiness commonly associated with the condition. Modafinil functions by selectively stimulating wakefulness with a unique mechanism that is distinct from traditional stimulants, making it a preferred choice for patients who may not tolerate other types of stimulant medications well.

While both Methylphenidate and the amphetamines (Adderall and Dexedrine) can also be used to treat narcolepsy, they are typically prescribed for attention deficit hyperactivity disorder (ADHD) more commonly and are often considered secondary options for narcolepsy. Modafinil, on the other hand, has been specifically studied and indicated for narcolepsy, demonstrating effectiveness in promoting wakefulness without some of the more pronounced stimulant effects associated with amphetamines.

Ultimately, Modafinil's favorable side effect profile and its application in managing narcolepsy differentiate it from the other choices listed, which are more frequently linked to other indications, reinforcing why it is often the first-line treatment for this condition.