Trimethoprim

C. diff Risk

NA

Oral Bioavailability

NA

Approximate Cost

$1-2/day

Dosing

Prophylaxis - Urinary Tract Infection

Daily Dose: 2 - 3 mg/kg/day

Maximum Daily Dose: 100 mg/day

Dosing Frequency: PO divided BID or as a single daily dose

See recommendations for Prophylaxis for Prevention of Recurrent Urinary Tract Infection

Treatment
4 - 6 mg/kg/day divided Q12h

Prophylaxis
2 - 3 mg/kg/day once daily or divided BID

General Information

Oral Liquids

Concentration: 10 mg/mL (compounded)

Taste: Fair

Not all strengths of oral liquids are listed nor be available on the CHEO Formulary

Tablet/Capsule Strengths

  •  100 mg tablet

Tablets or capsules are preferred especially over an unpleasant tasting oral liquid.

Not all strengths of oral tablets/capsules are listed and they are not all available on the CHEO Formulary.