| TMP-SMZ (Bactrim, Septra) | 1 double-strength tablet (160 mg TMP/800 mg SMZ) orally once daily | $ 38, brand 11 to 14, generic |
| or | |
| 1 tablet (80 mg TMP/400 mg SMZ) orally once daily | 23, brand 7 to 10, generic |
| or | |
| 1 double-strength tablet orally three times every week | 15, brand 5 to 6, generic |
| Dapsone | 100 mg orally once daily for PCP. | 5 to 10, generic 3 to 5, generic 3, brand |
| In toxoplasma IgG–positive-patients: use 50-mg dapsone orally once daily, plus pyrimethamine (Daraprim), 50 mg orally every week and leucovorin, 25 mg orally every week | 96 to 108, generic |
| or | |
| dapsone, 200 mg orally every week, plus pyrimethamine, 75 mg orally every week, and leucovorin, 25 mg orally every week | 1 to 3, generic 5, generic 96 to 108, generic |
| Aerosolized pentamidine (NebuPent) | 300 mg aerosolized by Respirgard II jet nebulizer every month; administer in negative-airflow room to patients screened for active TB; pretreat with inhaled bronchodilator in patients who experience cough or bronchospasm | 99, brand |
| Atovaquone (Mepron) | 750 mg orally twice daily (1,500 mg per day) | 833, brand |