PTCE Top 200 · #164

Melatonin

OTC (Melatonin)

Melatonin is the generic name for the brand-name drug OTC (Melatonin). It is a sleep aid (melatonin) used to treat insomnia (sleep onset). On the PTCE Top 200 drug list, Melatonin ranks #164 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 nameMelatonin
Brand name(s)OTC (Melatonin)
Drug classSleep aid (melatonin)
Class groupCNS/Psych
Common useinsomnia (sleep onset)
DEA scheduleUnscheduled
AvailabilityOver-the-counter (OTC)

What is Melatonin used for?

Over-the-counter sleep aid; commonly used for sleep onset/jet lag (varies by product and jurisdiction).

What drug class is Melatonin?

Melatonin is a Sleep aid (melatonin) 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 Melatonin

Major interactions

Is Melatonin a controlled substance?

No. Melatonin is not a federally controlled substance (it is unscheduled by the DEA).

How to remember Melatonin (PTCE mnemonic)

MELA-tonin mimics the dark — pineal hormone signals 'NIGHT'. 30-60 min before bed; sleep-onset (not maintenance); next-day grogginess at high doses; jet lag use.
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PTCE exam tip

Melatonin is a dietary SUPPLEMENT, not an FDA-approved drug — purity varies by brand. Take 30–60 minutes before bedtime; its regulation status is the exam angle.

Melatonin FAQ

What is the brand name for Melatonin?

The brand name for Melatonin is OTC (Melatonin).

What is Melatonin used for?

Melatonin is used to treat insomnia (sleep onset). Over-the-counter sleep aid; commonly used for sleep onset/jet lag (varies by product and jurisdiction).

What drug class is Melatonin?

Melatonin is a Sleep aid (melatonin) (CNS/Psych group).

Is Melatonin a controlled substance?

No. Melatonin is not a federally controlled substance (it is unscheduled by the DEA).

Related drugs in the CNS/Psych group

Drill Melatonin the way the PTCE asks it

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Last reviewed June 25, 2026. Educational use only — not medical advice. Verify clinical specifics with your pharmacist or a current label source such as DailyMed. RxReflex is not affiliated with or endorsed by the Pharmacy Technician Certification Board (PTCB).