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Drugs and Medicinal Substances

Omeprazole

Alimentary Tract and Metabolism Agents

Omeprazole, sold under the brand names Prilosec and Losec among others, is a medication used in the treatment of gastroesophageal reflux disease (GERD), peptic ulcer disease, and Zollinger-Ellison syndrome.

Facts
Drug Class
Proton-pump inhibitor 1
Mechanism of Action
Irreversibly blocks the H+/K+-ATPase enzyme system on gastric parietal cells, inhibiting the final step of stomach acid secretion. 1
Approved Use
Treats gastroesophageal reflux disease (GERD), peptic ulcer disease and Zollinger-Ellison syndrome. 1
First Approved / Isolated Year
1988 1
Significant Risk
Nausea, headaches and abdominal pain; serious risks include Clostridioides difficile colitis, increased pneumonia risk, bone fracture risk and masking of stomach cancer. 1
Classification
Approval Status
Approved 1
ATC ClassSourced to the subject's own account
A: Alimentary Tract and Metabolism 2
Route of Administration
Oral 1
WHO Essential MedicineSourced to the subject's own account
Core List 3
Connections

Treats

Source Omeprazole (Wikipedia)
Sources
1. Omeprazole (Wikipedia)
Wikimedia Foundation
  • Lead section
    gastroesophageal reflux disease (GERD), peptic ulcer disease, and Zollinger-Ellison syndrome
  • Infobox, drug class
    Proton-pump inhibitor
  • Mechanism of action section
    irreversibly blocks the H+/K+-ATPase enzyme system
  • History section
    1988
  • Adverse effects section
    Serious side effects may include Clostridioides difficile colitis
  • Lead section, route-of-administration statement
    It can be taken by mouth or by injection into a vein.
  • Regulatory approval status
View the Source
2. Anatomical Therapeutic Chemical Classification System (Wikipedia)
WikipediaFirst-level anatomical group codes, Code A
Quote, First-level anatomical group codes, Code A
Alimentary tract and metabolism
View the Source
3. WHO Model List of Essential Medicines (Wikipedia)
WikipediaWHO Model List of Essential Medicines, Antiulcer medicines section
Quote, WHO Model List of Essential Medicines, Antiulcer medicines section
Omeprazole
View the Source
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