<prompt> Most common cause of diarrhea in AIDS patients?Salmonella typhimuriumCryptosporidiumCandidaisophora  <response>: Ans. is b i.e., Cryptosporidium Most common cause of diarrhea in HIV - Cryptosporidium. Diseases of Oropharvnx and GI system in H.I.V. These are :? Oral lesions : Thrush oral candidiasis, oral Hairy leukoplakia caused by EBV, and aphthous ulcer. Esophageal : Esophagitis by CMV, HSV or candida. Diarrhea : Diarrhea is caused by :- Bacteria : Salmonella, Shigella, Campylobacter, and mycobacteria avium intracellulare. Fungal : Histoplasma, Coccidioides, penicillium. Other : CMV, microsporidia, isospora helli, and cryptosporidia. AIDS enteropathy HIV enteropathy 