<prompt> A 50-year-old HIV-positive male comes to OPD wit complaints of fever and breathlessness . He is diagnosed as a case of Pneumocystis jiroveci pneumonia PCP. At what CD4 T cell ,primary prophylaxis for this condition is recommended to be staed?2051510  <response>: NIHCDCIDSA Guidelines for the Prevention of Oppounistic Infections in Persons Infected with HIV PATHOGEN INDICATIONS FIRST CHOICES ALTERNATIVES Pneumocystis jirovecii CD4 T cell count 200mL or Oropharyngeal candidiasis or Prior bout of PCP Trimethoprim-sulfamethoxazole TMP-SMX, 1 DS tablet qd PO or TMP-SMX, 1 SS tablet qd PO Dapsone 50 mg bid PO or 100 mgd POor Dapsone 50 mgd PO Pyrimethamine 50 mgweek PO Leucovorin 25 mgweek PO or Dapsone 200 mg PO Pyrimethamine 75 mg PO Leucovorin 25 mg weekly PO or Aerosolized pentamidine, 300 mg Respirgard II nebulizer every monthor Atovaquone 1500 mgd POor TMP-SMX 1 DS tablet 3xweek PO May stop prophylaxis if CD4 T cell count 200mL for 3 months 