<prompt> Drug of choice for treatment of Pneumocystitis jiroveci pneumonia isCotrimoxazoleAmoxicillinDexamethasoneCeftriaxone  <response>: DOC for both prophylaxis and treatment of Pneumocystis jiroveci pneumonia is Cotrimoxazole Other drugs that can be used are Dapsone Clindamycin Pentamidine Atovaquone 