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Guidelines
Pathogens
Antimicrobials
Low
Excellent
IV$100/d PO$1/d
PO: 1-2 DS tabs PO BID IV: 15-20mg/kg/day of TMP IV in 4 divided doses
Urinary tract infections, susceptible MRSA infections, Stenotrophomonas infections, Pneumocystis jirovecii pneumonia (treatment or prophylaxis)
Follow creatinine and electrolytes in patients at increased risk renal failure, hyperkalemia
Stevens Johnson syndrome/toxic epidermal necrolysis, other rashes, gastrointestinal upset common, bone marrow suppression, hyperkalemia, renal failure, hepatitis, aseptic meningitis
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: 10.0
Biliary penetration: Moderate
CSF penetration: Therapeutic
Lung penetration: Therapeutic
Urine penetration: Therapeutic