Sultamicillin 250 mg / 5 mL Dosage Calculator

How to Calculate Sultamicillin 250 mg / 5 mL Dose

This calculator determines the Sultamicillin dose for treating bacterial infections, using a concentration of Sultamicillin 250 mg / 5 mL (50 mg/mL), based on the patient’s weight:

Dose in mL and mg (based on Sultamicillin):

Children <30 kg: 25 to 50 mg/kg/day PO BID

Children ≥30 kg and adults: Usual dose is 375 to 750 mg PO BID

Where:

Weight: Enter the patient’s weight in kilograms (kg) or pounds (lb) and select the unit from the dropdown (automatically converted to kg).
Concentration: Sultamicillin 250 mg / 5 mL (50 mg/mL).

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

Using the Sultamicillin 250 mg / 5 mL Dosage Calculator

Enter the patient’s weight in kilograms or pounds, select the unit, and click "Calculate." The calculator provides the dose in mL and mg for children <30 kg and for children ≥30 kg and adults, ensuring the minimum dose (in both mL and mg) is less than or equal to the maximum dose for children <30 kg.

Example: Weight 100 kg:

Children ≥30 kg and adults:
7.5 mL (375 mg) to 15 mL (750 mg) PO BID

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

Consult a healthcare provider before administering.

Frequently Asked Questions (FAQ)

1. What is Sultamicillin used for?

Sultamicillin (Unasyn; Ampicillin/Sulbactam) is used to treat bacterial infections, such as respiratory tract infections, skin infections, and urinary tract infections.

2. How often is this given?

Children <30 kg: 25 to 50 mg/kg/day PO BID. Children ≥30 kg and adults: Usual dose is 375 to 750 mg PO BID.

3. Can this be used for infants under a certain weight?

Consult a doctor, as Sultamicillin dosing for very low-weight infants may require special consideration and medical supervision.

4. What if weight is in pounds?

Enter the weight in pounds, and the calculator will automatically convert it to kilograms for calculation (1 lb = 0.4536 kg approximately).

5. What’s the maximum dose per administration for children ≥30 kg and adults?

The maximum dose per administration for children ≥30 kg and adults is 750 mg (15 mL) PO BID.