Gastritis

Epidemiology

Chemicals (alcohol)

H. Pylori

<% in US prevalence

Drugs (ibuprofen, naproxen, aspirin, indomethacin, histamine, digitalis,

Older age

Pathophysiology

Injury of protective mucosal barrier caused by drugs, chemicals, h. pylori infection, alcohol, and metabolic disorders

Chronic inflammation

Mucosal atrophy

epithelial metaplasia

Clinical Presentation

Vomiting blood

Vomiting yellow or green bile

Black or bloody stools

Dizziness or fainting

Abdominal Pain

Fever

Diaphoresis

Shortness of breath

Diagnosis

Physical Exam

Medical History

Endoscopy

Barium Swallow Study

Upper GI series

H. Pylori testing

Treatment

Treating the underlying cause especially if H. Pylori is present

Clarithromycin 500 mg BID

Amoxicillin 1g BID

Standard dose PPI

Eat smaller meals

Bland diet

avoid alcohol

Avoid NSAIDs