Follow creatinine and electrolytes in patients at increased risk renal failure, hyperkalemia.
ACEi - Increased serum potassium level
Increases amantadine levels
Decreases cyclosporine
Methotrexate - Marrow suppression
Increases phenytoin
Increases rifampin
Increases INR with warfarin
Antimicrobial class: Sulfonamide - Antifolate
Pregnancy category: C
Average serum half life: 10 hours
Biliary penetration: Moderate
CSF penetration: Therapeutic
Lung penetration: Therapeutic
Urine penetration: Therapeutic