How to Calculate Flucloxacillin 125 mg/5 mL Dose

This calculator determines the Flucloxacillin dose for treating bacterial infections, using a concentration of Flucloxacillin 125 mg/5 mL (25 mg/mL Flucloxacillin), based on the patient’s weight and purpose:

Dose in mL and mg (based on Flucloxacillin):

Where:

• Patient's Weight: Enter the patient’s weight in kilograms (kg) or pounds (lb) using the dropdown, with precision up to 0.001 units.
• Purpose: Select Usual dose or Severe infections from the dropdown.
• Concentration: Flucloxacillin 125 mg/5 mL (25 mg/mL Flucloxacillin).

Administer as prescribed for bacterial infections. ⚠️ Always consult a healthcare provider.

Using the Flucloxacillin 125 mg/5 mL Dosage Calculator

Enter the patient’s weight in kilograms (kg) or pounds (lb) with precision up to 0.001 units, select the weight unit from the dropdown, choose the purpose (Usual dose or Severe infections) from the dropdown, and click "Calculate." The calculator provides the dose in mL and mg (Flucloxacillin) for pediatrics (>1 month) and adults.

Example: Weight: 25 kg, Usual dose:

Pediatric > 1 month:
12.5 ml (313 mg) PO QID

Adult Dose:
Usual dose is 250 to 500 mg PO QID

Calculations must be re-checked and should not be used alone...
            

Consult a healthcare provider before administering.

Frequently Asked Questions (FAQ)

1. What is Flucloxacillin used for?

Flucloxacillin (Floxacillin; Fluclox) is used to treat bacterial infections, such as skin infections and pneumonia.

2. How often is this given?

Usual dose: 12.5 mg/kg/dose PO QID (Max 500 mg/dose). Severe infections: 25 mg/kg/dose PO QID (Max 1 g/dose). Adults: 250 to 500 mg PO QID.

3. Can this be used for infants under 1 month?

Consult a doctor, as Flucloxacillin is not typically recommended for infants under 1 month without medical supervision.

4. What’s the adult dose?

Usual dose for adults is 250 to 500 mg PO QID.