Cystoisospora (Isospora) belli gastroenteritis in adults with HIV infection

For treatment and maintenance therapy (secondary prophylaxis) of Cystoisospora (Isospora) belli gastroenteritis, see Cystoisospora (Isospora) belli infection.

In patients with newly diagnosed HIV, exclude other infections before starting antiretroviral therapy for HIV infection. For patients with HIV and C. belli gastroenteritis but no other infection, start antiretroviral therapy as soon as possible (see Initial antiretroviral therapy for HIV infection in adults).