<prompt> Prophylactic antifungal drug used in HIV patients:ItraconazolePosaconazoleTerconazoleVoriconazole  <response>: A i.e. ItraconazoleRef: Harrisons Principles of Internal Medicine, 19th edition, page 1252Explanation:Prophylactic Antifungal for Opportunistic Infections in HIV PatientsFluconazole 400 mg daily:For Coccidiodes immitis when CD4 count 250.For Cryptococcus neoformans when CD4 count 100.Itraconazole 200 mg daily:For Histoplasma capsulatum when CD4 count 150.For Penicillium marneffi CD4 count 100. 