click below
click below
Normal Size Small Size show me how
Infectious diarrhea1
causes of infectious diarrhea
Question | Answer |
---|---|
The most common etiology of infectious diarrhea | Campylobacter: ingestion of contaminated food or water. Lasts 7-10 days, frequently bloody diarrhea, fecal RBC and WBCs. TX: Erythromycin |
Affects hospitalized adult patients, recent treatment with antibiotics | Clostridium Difficle, watch for toxic megacolon. Fever, abdominal pain, systemic toxicity possible. Fecal RBCs and WBCs, toxin in stools. Sigmoidoscopy-pseudomembranes. Tx: PO metronidazole or vancomycin. IV metro if can't do PO |
Recent travel to developing countries, ingestion of contaminated food or water | Entamoeba Histolytica: severe abdominal pain, fever. Fecal RBC and WBCs. Steroids lead to fatal perforation. Tx: Metronidazole |
Ingestion of contaminated meat, HUS possible complication | E.coli O157:H7- severe abd pain, low grade fever, vomiting. Fecal RBCs and WBCs. Tx: avoid antibiotic or antidiarrheal which increase HUS risk |
Can cause invasive disease ie; Osteomyelitis in SS patients | Salmonella: ingestion of contamimated poultry or eggs. lasts 2-5 days. Prodrome of HA, myalgia, fever, abd pain. Fecal WBCs. Bacteremia in 5-10% of pt. Tx bacteremic or at risk pt: oral quinolone or TMP-SMX |
Transmitted by fecal-oral route, affects young children and insitutionalized pt. | Shigella: Fecal RBCs and WBCs. Can cause febrile seizures in very young. Tx: TMP-SMX |