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Usual Dosing (Adults)

100mg q12h , or 200mg q24h

Renal Dosing

dialysis [>30 ml/min]: No changes
[15-30]: 100 mg q18h or 50mg q12h.
[<15]: 100 mg q24h or avoid use.

Hemodialysis

dialysis Avoid use or give 100mg q24h (on dialysis days give dose after dialysis).

Reference(s)

National Institutes of Health, U.S. National Library of Medicine, DailyMed Database.
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Trimethoprim