Antimicrobials
Trimethoprim

Trimethoprim

General Information

Neonatal: Obtain CBC, platelet count, liver enzymes, bilirubin, creatinine, urea periodically during prolonged therapy

Neonatal:

  • Fever
  • Rash
  • Exfoliative dermatitis
  • Increased liver enzymes
  • Cholestatic jaundice
  • Nausea/vomiting
  • Bone marrow suppression with prolonged treatment (rare)

Neonatal: Increases serum levels of phenytoin, rifampin, procainamide and warfarin

Neonatal: PO: 10 mg/mL oral suspension (compounded by Pharmacy)

Route of Elimination: Eliminated mostly unchanged by kidney