Acute diarrhea
DDx
Infectious: noninflammatory (nonbloody)- Viruses: Norwalk virus, rotavirus, adenoviruses, astrovirus, coronavirus
- Preformed toxin (food poisoning): Staphylococcus aureus, Bacillus cereus, Clostridium perfringens
- Toxin production: enterotoxigenic E. coli, Vibrio cholerae, Vibrio parahaemolyticus
- Protozoa: Giardia lamblia, Cryptosporidium, Cyclospora, Isospora
Infectious: invasive or inflammatory- Shigella, Salmonella, Campylobacter, enteroinvasive E. coli, E. coli O157:H7, Yersinia enterocolitica, Clostridium difficile (e.g., pseudomembranous colitis), Entamoeba histolytica, Neisseria gonorrhoeae, Listeria monocytogenes
Associated with unprotected anal intercourse- Neisseria gonorrhoeae, syphilis, lymphogranuloma venereum, herpes simplex
Noninfectious |
See related DDx
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