PJP treatment: 15–20mg/kg per day of trimethoprim (75–100mg/kg per day of sulfamethoxazole) in 4 divided doses at 6-hour intervals for 14–21 days; PJP prophylaxis: one DS tab daily.
Sulfamethoxazole 800mg, trimethoprim 160mg; scored tabs. 1 DS tab or 2 regular tabs every 12 hours for 5 days (shigellosis, travelers' diarrhea), or 10–14 days (UTIs), or 14 days (bronchitis).