Urinary tract infections
Susceptible MRSA infections
Stenotrophomonas infections
Pneumocystis jirovecii pneumonia (Treatment or prophylaxis)
Gastrointestinal upset common
Bone marrow suppression
Hyperkalemia
Renal failure
Hepatitis
Aseptic meningitis
Stevens Johnson syndrome/toxic epidermal necrolysis
Other rashes
Follow creatinine and electrolytes in patients at increased risk renal failure, hyperkalemia. CBC periodically.
400-80 mg TAB: $0.1
800-160 mg TAB: $0.2
400-80 mg/5 mL AMP: $7.15
Antimicrobial class: Sulfonamide - Antifolate
Pregnancy category: C
Average serum half life: 10 hours
Urine penetration: Therapeutic
Lung penetration: Therapeutic
CSF penetration: Therapeutic
Biliary penetration: Moderate
5:1 ratio (SMX:TMP) is constant in all forms.
ODB Formulary: General Benefit (TAB)