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Date of last update: 9/5/2017.

Forum Name: Pharmacy & Drug Topics

Question: Pediatric Dosing for Sulfatrim Sus

 RLMillersHome - Tue Mar 23, 2004 4:03 am

My 12 month old daughter has suspected bladder infection, we have Sulfatrim SUS 200-40/5 as a back up for this exact possible problem. Her weight has changed since we got this prescription, what is the proper dose for her? She is 24 pounds.
 DeLWolcott - Thu Oct 06, 2005 8:10 am

From Bactrim prescribing info:

Pediatric Patients: The recommended dose for pediatric patients with urinary tract infections or acute otitis media is 8 mg/kg trimethoprim and 40 mg/kg sulfamethoxazole per 24 hours, given in two divided doses every 12 hours for 10 days. An identical daily dosage is used for 5 days in the treatment of shigellosis. The following table is a guideline

Treatment: Adults and Pediatric Patients:
The recommended dosage for treatment of patients with documented Pneumocystis carinii pneumonia is 15 to 20 mg/kg trimethoprim and 75 to 100 mg/kg sulfamethoxazole per 24 hours given in equally divided doses every 6 hours for 14 to 21 days. 8 The following table is a guideline for the upper limit of this dosage.

For the lower limit dose (15 mg/kg trimethoprim and 75 mg/kg sulfamethoxazole per 24 hours) administer 75% of the dose in the above table.

Prophylaxis: For pediatric patients, the recommended dose is 150 mg/m 2 /day trimethoprim with 750 mg/m 2 /day sulfamethoxazole given orally in equally divided doses twice a day, on 3 consecutive days per week. The total daily dose should not exceed 320 mg trimethoprim and 1600 mg sulfamethoxazole.

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