(1) antibiotic (sulfa) drug combination. TMP-SMX is the preferred first-line therapy for prophylaxis and treatment of PCP, and may be effective against other OIs such as toxoplasmosis. Combination of trimethoprim-sulfamethoxazole.
(2) A sulfa based antibiotic used to treat and prevent respiratory infections such as Pneumocystis pneumonia (PCP).
See also:
Antibiotics (blog)