A 38-year-old HIV-infected woman presents for follow-up evaluation. She is on antiretroviral therapy. She has no complaints. Her physical examination is normal. Her PPD is reactive at 2 mm. The chest x-ray is normal. She has no history of past TB or recent known contact with infectious TB. She lives at home alone. Her CD4 + T cell count is 180/μL. Her previ- ous count was 175/μL. Prophylaxis is most appropriate for which of the following infections?
Mycobacterium avium complex (MAC)
Cryptococcus neoformans
Mycobacterium tuberculosis
Toxoplasma gondii
Pneumocystis carinii
Ans:
e. Pneumocystis carinii