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Best Proton Pump Inhibitor for duodenal ulcer

Top-rated pick: Nexium — pharmaranks score 70/100, the highest of the 8 Proton Pump Inhibitor drugs used for duodenal ulcer, ranked by our independent FDA recall-safety score. Compare them with all treatments for duodenal ulcer or the full Proton Pump Inhibitor class. Not medical advice — always consult a professional.

Quick answer: Of the 8 proton pump inhibitor drugs we rate for duodenal ulcer, 3 are available as lower-cost generics, and most are capsule. Our ranking reflects each drug’s FDA recall-safety record — not clinical effectiveness for duodenal ulcer; the right choice depends on your situation, so confirm it with your prescriber.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

How proton pump inhibitor work

Proton pump inhibitors block the H+/K+ ATPase 'proton pump' in the stomach's acid-making cells, the final step in producing stomach acid. By binding this pump, they sharply and lastingly cut acid output, easing heartburn and helping ulcers heal.

Source: Proton Pump Inhibitors (PPI) - StatPearls - NCBI Bookshelf

Top proton pump inhibitor for duodenal ulcer: 1. Nexium · 2. Nexium 24hr · 3. Prilosec OTC

Best-rated Proton Pump Inhibitor for duodenal ulcer, ranked by pharmaranks score
#DrugRatingPharmacy pays
170/100View →
270/100View →
370/100View →
466/100View →
564/100$5View →
6Not yet ratedView →
7Not yet rated$2View →
8Not yet rated$5View →

Full ranking · 8 drugs

#1 of 7 in Proton Pump Inhibitor

nexium

PrescriptionFDA-sourced

70/100

Nexium (Esomeprazole Magnesium) is a proton pump inhibitor used to treat Duodenal Ulcer, Esophagitis, Gastroesophageal Reflux, Heartburn.

(1 data points)
proton pump inhibitorduodenal ulceresophagitis

Price varies

View details →
#1 of 7 in Proton Pump Inhibitor

nexium 24hr

Over-the-counterFDA-sourced

70/100

Nexium 24hr (Esomeprazole Magnesium) is a proton pump inhibitor used to treat Duodenal Ulcer, Esophagitis, Gastroesophageal Reflux, Heartburn.

(3 data points)
proton pump inhibitorduodenal ulceresophagitis
Available online
View details →
#1 of 7 in Proton Pump Inhibitor

prilosec otc

Over-the-counterFDA-sourced

70/100

Prilosec OTC (Omeprazole Magnesium) is a proton pump inhibitor used to treat Duodenal Ulcer, Esophagitis, Gastroesophageal Reflux, Heartburn.

(1 data points)
proton pump inhibitorduodenal ulceresophagitis
Available online
View details →

esomeprazole magnesium

PrescriptionFDA-sourced

66/100

Esomeprazole Magnesium is a proton pump inhibitor used to treat Duodenal Ulcer, Esophagitis, Gastroesophageal Reflux, Heartburn.

(37 data points)
proton pump inhibitorduodenal ulceresophagitis

Price varies

View details →
PERRIGO logo

prevacid 24 hr

Over-the-counterFDA-sourced

64/100

Prevacid 24 Hr (Lansoprazole) is a proton pump inhibitor used to treat Duodenal Ulcer, Esophagitis, Gastroesophageal Reflux, Stomach Ulcer.

(52 data points)
proton pump inhibitorduodenal ulceresophagitis

Pharmacy pays

From ~$3.22/30· 4 forms Save up to 70% in class
View details →

aciphex

PrescriptionFDA-sourced

New

Aciphex (Rabeprazole Sodium) is a proton pump inhibitor used to treat Duodenal Ulcer, Gastroesophageal Reflux, Heartburn, Zollinger-Ellison Syndrome.

proton pump inhibitorduodenal ulcergastroesophageal reflux

Price varies

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omeprazole

PrescriptionFDA-sourced

New

Omeprazole is a proton pump inhibitor used to treat Duodenal Ulcer, Esophagitis, Gastroesophageal Reflux, Heartburn.

proton pump inhibitorduodenal ulceresophagitis

Pharmacy pays

From ~$0.86/30· 5 forms
View details →
TAKEDA PHARMS USA logo

prevacid

PrescriptionFDA-sourced

New

Prevacid (Lansoprazole) is a proton pump inhibitor used to treat Duodenal Ulcer, Esophagitis, Gastroesophageal Reflux, Stomach Ulcer.

proton pump inhibitorduodenal ulceresophagitis

Pharmacy pays

From ~$3.22/30· 4 forms Save up to 70% in class
View details →

Frequently asked

What is the best proton pump inhibitor for duodenal ulcer?
By our independent recall-safety rating — not an efficacy measure — nexium ranks highest among Proton Pump Inhibitor drugs used for duodenal ulcer. Always consult a professional.
Which proton pump inhibitor drugs treat duodenal ulcer?
pharmaranks lists 8 Proton Pump Inhibitor products used for duodenal ulcer, per NIH RxClass drug-classification data — each independently rated and ranked above.
How are these ranked?
By our independent score, currently based on FDA regulatory recall-safety data (the methodology blends additional sources as they come online). See the How we rate page.