Its was a descriptive survey achieved in the service of the infectious and tropical illnesses of the teaching hospital of the "Point G" from 31 December 2002 to 30 June 2004 was about the analysis of 76 files. Its goal was to determine the clinical, etiological and prognostic aspects, of the diarrhea during the AIDS. The oral-pharyngeal candidiasis (50%), the deshydratation (60,5%), the fever (67,5%) and the thinning (77,6%) were associated to the diarrhoea frequently. Cholera syndrome was (52.6%), dysenteric syndrome was (36.8%) and the diarrhea syndrome was (10.5%). According to the etiological aspect, the parasites were founded in 51,3 % of cases, bacteria 9,2 % of cases, and fungus 5,3%. Any pathogen hasn't been founded in 34,2% of cases. Cyptosporidium parvum (15,8 %), and Isospora Belli (11,8%) was the most common parasites founded, but some unusual pathogens as: Entamoeba hystolitica, Trichomonas intestinalis , Giardia intestinalis , Shistosoma mansoni , Dicrococelium dendriticum, Trichostrongylus were present . The most common bacteria were Escherichia coli 5,3%. The fungus family was represented by Candida albicans . The lethality rate was 46,1%.
Conclusion: The etiology of diarrhea occurs during aids is variable and include opportunistic and non opportunistic. The fatality rate remains incised because the delay of care and the poverty of the patients.