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Primsol Oral Solution Dosage

Generic name: TRIMETHOPRIM HYDROCHLORIDE 50mg in 5mL
Dosage form: oral solution

The information at Drugs.com is not a substitute for medical advice. Always consult your doctor or pharmacist.

Acute Otitis Media in Pediatric Patients:

The recommended dose for pediatric patients with acute otitis media is 10 mg/kg trimethoprim per 24 hours, given in divided doses every 12 hours for 10 days. The following table is a guideline for the attainment of this dosage:

Pediatric patients 6 months of age or older:

Weight Dose (every 12 hours)
lb kg tsp mL
11
22
33
44
55
66
77
≥88
5
10
15
20
25
30
35
≥40
½
1
1 ½
2
2 ½
3
3 ½
4
2.5
5
7.5
10
12.5
15
17.5
20

Uncomplicated Urinary Tract Infections:

The usual oral adult dosage is 100 mg (10 mL) every 12 hours or 200 mg (20 mL) every 24 hours, each for 10 days.

Patients with Impaired Renal Function:

The use of trimethoprim in patients with a creatinine clearance of less than 15 mL/min is not recommended. Patients with a creatinine clearance of 15 to 30 mL/min should receive half the dose recommended for patients of the same age with normal renal function.

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