Merck Manual
Please confirm that you are a health care professional
Yes
No
Merck
Manual
Professional Version
The trusted provider of medical information since 1899
ENGLISH
ESPAÑOL (SPANISH)
Other Languages
Search
Search
A-Z
VIEW CONSUMER VERSION
HOME
MEDICAL TOPICS
Common Health Topics
Cardiovascular Disorders
Clinical Pharmacology
Critical Care Medicine
Dental Disorders
Dermatologic Disorders
Ear, Nose, and Throat Disorders
Endocrine and Metabolic Disorders
Eye Disorders
Gastrointestinal Disorders
Genitourinary Disorders
Geriatrics
Gynecology and Obstetrics
Hematology and Oncology
Hepatic and Biliary Disorders
Immunology; Allergic Disorders
Infectious Diseases
Injuries; Poisoning
Musculoskeletal and Connective Tissue Disorders
Neurologic Disorders
Nutritional Disorders
Pediatrics
Psychiatric Disorders
Pulmonary Disorders
Special Subjects
Resources
Videos
Figures
Images
Quizzes
View All Resources
RESOURCES
3D Models
Abbreviations
Lab Tests
Audio
Case Studies
Clinical Calculators
Conversion Tables
Figures
Images
Lab Values
Podcasts
Quizzes
Tables
Videos
DRUG INFO
Drugs by Name, Generic and Brand
Pill Identifier
Commonly Searched Drugs
Albuterol
FLUoxetine
Heparin
MetFORMIN
Doxycycline
Omeprazole
NEWS
BinaxNOW Rapid Antigen Test Has Lower Sensitivity Than RT-PCR
Continuing Blood Pressure Meds Safe for Those With COVID-19
Either Trivalent Flu Vaccine Safe for Use in Seniors
For COVID-19 ICU Patients, Death Linked to COVID-19 ICU Strain
View All News >
View All News >
PROCEDURES
The Vaginal Exam in Labor
Uterine Compression
Uterine Balloon Tamponade
View All Procedures >
View All Procedures >
QUIZZES & CASES
Quizzes
More Quizzes
Cases
More Case Studies
ABOUT
Overview
History
Editors and the Editorial Process
Publishing and Production Staff
Editorial Board
Contributors
Reviewers
Content Providers
Global Medical Knowledge
FAQ
Contact Us
Medical Topics & Chapters
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
HOME
MEDICAL TOPICS
Common Health Topics
Cardiovascular Disorders
Clinical Pharmacology
Critical Care Medicine
Dental Disorders
Dermatologic Disorders
Ear, Nose, and Throat Disorders
Endocrine and Metabolic Disorders
Eye Disorders
Gastrointestinal Disorders
Genitourinary Disorders
Geriatrics
Gynecology and Obstetrics
Hematology and Oncology
Hepatic and Biliary Disorders
Immunology; Allergic Disorders
Infectious Diseases
Injuries; Poisoning
Musculoskeletal and Connective Tissue Disorders
Neurologic Disorders
Nutritional Disorders
Pediatrics
Psychiatric Disorders
Pulmonary Disorders
Special Subjects
Resources
Videos
Figures
Images
Quizzes
View All Resources
RESOURCES
3D Models
Abbreviations
Lab Tests
Audio
Case Studies
Clinical Calculators
Conversion Tables
Figures
Images
Lab Values
Podcasts
Quizzes
Tables
Videos
DRUG INFO
Drugs by Name, Generic and Brand
Pill Identifier
Commonly Searched Drugs
Albuterol
FLUoxetine
Heparin
MetFORMIN
Doxycycline
Omeprazole
NEWS
BinaxNOW Rapid Antigen Test Has Lower Sensitivity Than RT-PCR
Continuing Blood Pressure Meds Safe for Those With COVID-19
Either Trivalent Flu Vaccine Safe for Use in Seniors
For COVID-19 ICU Patients, Death Linked to COVID-19 ICU Strain
View All News >
View All News >
PROCEDURES
The Vaginal Exam in Labor
Uterine Compression
Uterine Balloon Tamponade
View All Procedures >
View All Procedures >
QUIZZES & CASES
Quizzes
More Quizzes
Cases
More Case Studies
ABOUT
Overview
History
Editors and the Editorial Process
Publishing and Production Staff
Editorial Board
Contributors
Reviewers
Content Providers
Global Medical Knowledge
FAQ
Contact Us
Professional
/
Gastrointestinal Disorders
/
...
/
Gastritis and Peptic Ulcer Disease
/
Gastritis and Peptic Ulcer Disease
Expand all
Collapse all
Overview of Acid Secretion
Overview of Gastritis
Autoimmune Metaplastic Atrophic Gastritis
Diagnosis
Treatment
More Information
Erosive Gastritis
Symptoms and Signs
Diagnosis
Treatment
Prevention
Helicobacter pylori
Infection
Pathophysiology
Diagnosis
Noninvasive tests
Invasive tests
Treatment
Treatment references
Key Points
More Information
Nonerosive Gastritis
Pathology
Superficial gastritis
Deep gastritis
Gastric atrophy
Metaplasia
Symptoms and Signs
Diagnosis
Treatment
Peptic Ulcer Disease
Etiology
Symptoms and Signs
Diagnosis
Complications
Hemorrhage
Penetration (confined perforation)
Free perforation
Gastric outlet obstruction
Recurrence
Stomach cancer
Treatment
Adjuncts
Surgery
Key Points
More Information
Postgastrectomy Gastritis
Uncommon Gastritis Syndromes
Ménétrier disease
Eosinophilic gastritis
Mucosa-associated lymphoid tissue (MALT) lymphoma
Gastritis caused by systemic disorders
Gastritis caused by physical agents
Infectious (septic) gastritis
Drug Treatment of Gastric Acidity
Proton pump inhibitors
H2 blockers
Antacids
Prostaglandins
Sucralfate