PTCE Top 200 · #147

Esomeprazole

Nexium

Esomeprazole is the generic name for the brand-name drug Nexium. It is a ppi (proton pump inhibitor) used to treat GERD, ulcers. On the PTCE Top 200 drug list, Esomeprazole ranks #147 and is one of the most frequently tested gastrointestinal medications — commonly quizzed on its brand–generic pair, drug class, and key side effects.

Generic nameEsomeprazole
Brand name(s)Nexium
Drug classPPI (proton pump inhibitor)
Class groupGastrointestinal
Common useGERD, ulcers
DEA scheduleUnscheduled
AvailabilityBoth prescription and OTC

What is Esomeprazole used for?

Treatment of GERD, erosive esophagitis, and other acid-related disorders; prevention of NSAID-associated gastric ulcer in at-risk patients (PPI).

What drug class is Esomeprazole?

Esomeprazole is a PPI (proton pump inhibitor) in the Gastrointestinal 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 Esomeprazole

Major interactions

Is Esomeprazole a controlled substance?

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

How to remember Esomeprazole (PTCE mnemonic)

NEX-ium goes NEXt level on acid — esomepra-ZOLE is the S-isomer of omeprazole (slightly stronger). 30 min before meals; long-term ↓Mg/B12, ↑C. diff, fractures.
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PTCE exam tip

Esomeprazole is literally the S-isomer of omeprazole ('es-') — isomer brand pairs like Nexium/Prilosec and Lexapro/Celexa are a recurring exam pattern.

Esomeprazole FAQ

What is the brand name for Esomeprazole?

The brand name for Esomeprazole is Nexium.

What is Esomeprazole used for?

Esomeprazole is used to treat GERD, ulcers. Treatment of GERD, erosive esophagitis, and other acid-related disorders; prevention of NSAID-associated gastric ulcer in at-risk patients (PPI).

What drug class is Esomeprazole?

Esomeprazole is a PPI (proton pump inhibitor) (Gastrointestinal group).

Is Esomeprazole a controlled substance?

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

Related drugs in the Gastrointestinal group

Drill Esomeprazole 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).