Gastritis
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| Gastritis Classification and external resources | |
| ICD-10 | K29.0-K29.7 |
|---|---|
| ICD-9 | 535.0-535.5 |
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Gastritis is inflammation of the gastric mucosa. The word comes from the Greek gastro- meaning of the stomach and -itis meaning inflammation. Depending on the cause, it may persist acutely or chronically and may coincide with more serious conditions such as atrophy of the stomach.
Common Causes of Gastritis
The following are known causes and factors related to gastritis:
- Bacterial infection (most often by Helicobacter pylori and other Helicobacter spp.)
- Fungal infection (most often in people with immunodeficiency)
- Parasitic infection (most often by Anisakis spp. from poorly cooked seafood)
- Viral infection
- Bile reflux
- NSAIDs
- Cigarette smoke
- Autoimmune disorders
- Excessive alcohol consumption
- Excessive caffeine consumption
- Certain allergens
- Certain types of radiation
- Stomach injury
- Stress
Differential Diagnosis
- Alcoholic gastropathy
- Aortic aneurysm (ruptured)
- Bacterial infections
- Burns
- Candida
- Corrosive gastritis
- Crohn's Disease
- Cytomegalovirus (CMV) in HIV
- Diseases of the biliary system
- Drugs
- Eosinophilic Gastritis
- Esophageal varices
- Functional dyspepsia
- Gastric carcinoma
- Gastritis in pernicious anemia
- Gastroduodenal ulcer
- Helicobacter pylori associated
- Intoxication
- Liver failure
- Lymphocytic gastritis
- Mallory-Weiss Tear
- Menetrier's Disease
- Pancreas carcinoma
- Pancreatitis
- Peptic ulcer
- Perforated ulcer
- Radiation
- Reflux esophagitis
- Renal Failure
- Respiratory failure
- Sarcoidosis
- Sepsis
- Shock
- Surgery
- Syphilis
- Trauma
- Tuberculosis
- Volvulus
- Zollinger-Ellison Syndrome
Symptoms
The following symptoms can be a result of gastritis or can be related to the underlying cause:
- Upper abdominal pain or discomfort
- Gastric hemorrhage
- Hypochlorhydria
- Appetite loss
- Belching
- Nausea
- Vomiting
- Fever
- Lethargy
Diagnosis
In suspected cases, a doctor usually orders a barium meal test and gastroscopy to determine gastritis and related conditions such as peptic ulcers and gastric cancer. It is always important that the doctor reviews a patient's history regarding medications, alcohol intake, smoking, and other factors that can be associated with gastritis. In some cases, the appearance of the stomach lining seen during gastroscopy and the results of the barium meal test are reliable in determining gastritis and the cause. However, the most reliable method for determining gastritis is doing a biopsy during gastroscopy and checking for histological characteristics of gastritis and infection. For Helicobacter infection (the most common cause), one can test non-invasively with a urea breath test, stool antigen test, or blood antibody test.
Treatment
Treatment usually consists of removing the irritant or the infection. In cases of infection, a doctor will most often prescribe antimicrobial drugs. Helicobacter infection typically responds well to the triple therapy protocol (consisting of two antibiotics, and a proton pump inhibitor). Regimens that work well include PCA or PCM triple therapy (PPI, Clarithromycin, Amoxicillin) or (PPI, Clarithromycin, Metronidazole). Quadruple therapy hasa >90% success rate and includes PPIs, Bismuth subsalicylates, Metronidazole, and Tetracycline.
See also
External links
- http://www.merck.com/mmhe/sec09/ch121/ch121b.html
- http://www.emedicine.com/emerg/topic820.htm
- http://www.emedicine.com/med/topic852.htm
- http://www.intelihealth.com/IH/ihtIH/WSIHW000/9339/10796.html
- ABC Salutaris: Gastritis
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
