4th August 2023

A 41 year old man, who was diagnosed with HIV 2 years ago previously, presents to A&E with worsening shortness of breath and cough.

A 41 year old man, who was diagnosed with HIV 2 years ago previously, presents to A&E with worsening shortness of breath and cough. He has not been regularly adherent to his antiretroviral treatment. Examination of his chest is unremarkable, as is his chest x-ray. His oxygen saturation levels are 95% at rest and drop to 93% on walking. Sputum culture shows cysts on silver staining.

What treatment is indicated?

Select the SINGLE most appropriate option from the list below. Select ONE option only.