TMP/SMX (trimethoprim/sulfamethoxazole)

Dosing: Adult Antimicrobial Dosing, Non-dialysis

IndicationCrCl > 30 mL/min15-30 mL/min< 15 mL/min
Skin & soft tissue infection, urinary tract infection1 DS tablet PO q12h​1 DS tablet PO daily​1 SS tablet PO daily
Bone and joint infections8 mg TMP/kg/day divided q8-12h4 mg TMP/kg/day divided q12-24h 2 mg TMP/kg q24h
Systemic GNR infections including GNR Bloodstream InfectionNocardia, Stenotrophomonas maltophilia*10 mg TMP/kg/day divided q8-12h5 mg TMP/kg/day divided q12-24h2.5 mg TMP/kg q24h
Pneumocystis pneumonia, CNS infections15 mg TMP/kg/day divided q8 – 12h7.5 mg TMP/kg/day  divided q12-24h5 mg TMP/kg q24h
Prophylaxis for Pneumocystis pneumonia (HIV/AIDS) 1 DS tablet PO daily1 SS tablet PO daily1 SS tablet PO thrice weekly
Prophylaxis for Pneumocystis pneumonia (Heme-BMT)1 DS tablet PO thrice weekly1 SS tablet PO thrice weekly 
Prophylaxis for Pneumocystis pneumonia (SOT)^1 DS tablet PO thrice weekly

*Certain clinical situations may require double coverage.  If this is being considered, please contact adult ID or adult ASP.
^Kidney transplant recipients are to follow the KTU protocol, which includes an initial period of daily UTI prophylaxis before transitioning to standard, thrice-weekly PJP prophylaxis.

Dosing: Antimicrobial Dosing in Intermittent & Continuous Hemodialysis

Indication

Intermittent Hemodialysis

Continuous Hemodialysis
Skin & soft tissue infection, urinary tract infection1 SS tablet PO x1 now then qPM1 DS tablet PO q12h
Bone and joint infections2 mg TMP/kg x1 now and qPM8 mg TMP/kg/day divided q8-12h
Systemic GNR Infections including GNR Bloodstream InfectionNocardia, Stenotrophomonas maltophilia*2.5 mg TMP/kg x1 now and qPM10 mg TMP/kg/day divided q8-12h
Pneumocystis pneumonia, CNS infections5 TMP/kg IV x1 now and qPM15 mg TMP/kg/day IV divided q8h - q12h
Prophylaxis for Pneumocystis pneumonia (HIV/AIDS)1 SS tablet PO qPM1 DS tablet PO daily 
Prophylaxis for Pneumocystis pneumonia (Heme-BMT)1 SS tablet PO thrice weekly 1 DS tablet PO thrice weekly 
Prophylaxis for Pneumocystis pneumonia (SOT)^1 DS tablet PO thrice weekly 

*Certain clinical situations may require double coverage.  If this is being considered, please contact adult ID or adult ASP.
^Kidney transplant recipients are to follow the KTU protocol, which includes an initial period of daily UTI prophylaxis before transitioning to standard, thrice-weekly PJP prophylaxis.

Dialysis Notes

Single-strength (SS) tablet contains 80 mg trimethoprim (TMP)

Double-strength (DS) tablet contains 160 mg trimethoprim (TMP)

*May consider Total BW for serious infections

Pneumocystis Prophylaxis Guidelines

References: