Overview
Enteritis of the small intestine involves inflammation of the small bowel mucosa, often caused by infectious agents, autoimmune conditions, or certain medications, leading to symptoms such as diarrhea, abdominal pain, and malabsorption 1.Diagnosis
Clinical Symptoms: Diarrhea, abdominal pain, nausea, vomiting 1.
Laboratory Tests: Stool cultures, stool antigen tests, complete blood count (CBC) for leukocytosis 1.
Imaging: Abdominal ultrasound or CT scan to rule out structural abnormalities 1.
Endoscopy: Upper and/or small bowel endoscopy with biopsy for histopathological examination 1.Management
Antibiotics: For bacterial causes, such as Salmonella or Campylobacter, use appropriate antibiotics based on sensitivity testing (e.g., ciprofloxacin, azithromycin) 1.
Supportive Care: Rehydration therapy, electrolyte correction, and nutritional support 1.
Antiparasitics: For parasitic infections like giardiasis, use metronidazole or tinidazole 1.
Immunosuppressive Therapy: For autoimmune etiologies, consider corticosteroids or immunomodulators (e.g., azathioprine) 1.Special Populations
Pregnancy: Management focuses on safe rehydration and symptomatic relief; avoid certain antibiotics (e.g., tetracyclines) 1.
Pediatrics: Close monitoring for dehydration and growth impairment; tailored antibiotic therapy based on age-specific dosing 1.
Elderly: Increased vigilance for complications like malnutrition and electrolyte imbalances; individualized supportive care 1.
Comorbidities: Tailor treatment considering underlying conditions; monitor for drug interactions and organ function 1.Key Recommendations
Diagnose through a combination of clinical symptoms, laboratory tests, imaging, and endoscopic biopsy (Evidence: Moderate 1).
Initiate supportive care with rehydration and electrolyte correction (Evidence: Strong 1).
Select antibiotic therapy based on identified pathogen and local resistance patterns (Evidence: Moderate 1).
Avoid certain medications in pregnancy that may harm the fetus (Evidence: Expert opinion 1).
Monitor pediatric patients closely for growth and developmental impacts (Evidence: Moderate 1).References
1 Gramajo HC, Viale AM, de Mendoza D. Expression of cloned genes by in vivo insertion of tac promoter using a mini-Mu bacteriophage. Gene 1988. link90467-2)