TRIMETHOPRIM /SULFAMETHOXAZOLE

Normal Dose|Renal Impairment|Hemodialysis

Index

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Normal Dose

 

Indication Dose Frequency Cost
Urinary tract infections 160 mg/800 mg (po) Q12 hours for 10-14 days  
Pneumocystis carinii pneumonia 15-20 mg trimethoprim/ 75-100 mg sulfamethoxazole/ kg / day (po) divide dose Q6 hours for 14-21 days  
AIDS 15-20 mg trimethoprim/ 75-100 mg sulfamethoxazole/ kg /day (inj) divide dose in 3 or 4 doses for 21 days  
Prophylaxis of pneumocystis carinii pneumonia 160 mg /800 mg (po) Q24 hours  
Shigellosis 160 mg/800 mg (po)

8-10 mg trimethoprim / 40-50 mg sulfamethoxazole / kg /day (inj)

Q12 hours

2 to 4 equally divided doses Q6, 8, or 12 hours for 5 days

 
Exacerbations of chronic bronchitis 160 mg/800 mg Q12 hours for 14 days  
Cystic fibrosis with acute pulmonary exacerbations 5 mg/kg trimethoprim 25 mg/kg sulfamethoxazole Q6 hours  
Cystic fibrosis to suppress the growth of Burkholderia cepacia 160 mg/800 mg Q12 hours  
Cyclospora infection 160 mg/800 mg QID for 10 days followed by prophylaxis with 1 tablet 3 times weekly  
Acute maxillary sinusitis 160 mg/800 mg BID for 10 days  
Travelers' Diarrhea 160 mg/800 mg Q12 hours for 5 days  


Renal Impairment

 

Creatinine Clearance Dose and Frequency
Crcl >30 ml/min standard regimen
Crcl 15-30 ml/min 1/2 standard regimen
Crcl <15 ml/min not recommended


Hemodialysis

 

Dose and Frequency
50% of the maintenance dose of trimethoprim/sulfamethoxazole should be supplemented following each dialysis session

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