Penicillin V 250 mg/5 mL Dosage Calculator

Penicillin V 250 mg/5 mL (Brand Name: Pen VK) Dosage Calculator

Patient's Weight:

Penicillin V 250 mg / 5 mL

Doses expressed in terms of:

Dosing Frequency:

How to Calculate Penicillin V 250 mg/5 mL Dose

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

Dose in mL and mg (based on Penicillin V):

Pediatric ≥ 1 month: 25 to 50 mg/kg/day, divided TID or QID (Max 3 g/day)

Adults: 300 to 600 mg PO TID to QID (Max 3 g/day)

Where:

Weight: Enter the patient’s weight in kilograms (kg) or pounds (lb) and select the unit from the dropdown (automatically converted to kg).
Dose Basis: Select the basis for the dose expression from the dropdown (e.g., Penicillin V).
Dosing Frequency: Choose the dosing frequency (TID or QID) from the dropdown.
Concentration: Penicillin V 250 mg/5 mL (50 mg/mL).

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

Using the Penicillin V 250 mg/5 mL Dosage Calculator

Enter the patient’s weight in kilograms or pounds, select the unit, dose basis, and dosing frequency, and click "Calculate." The calculator provides the dose in mL and mg (Penicillin V) for pediatric (≥ 1 month) and adult patients based on the selected frequency, ensuring the minimum dose (in both mL and mg) is less than or equal to the maximum dose for both pediatric and adult patients.

Example: Weight 10 kg, Doses expressed in terms of Penicillin V, TID dosing:

Pediatric ≥ 1 month:
TID Dosing:
1.7 mL (83 mg) to 3.3 mL (167 mg) PO TID
Max daily dose: 10 mL/day (500 mg/day)

Adult Dose:
6 mL (300 mg) to 12 mL (600 mg) PO TID to QID (Max 60 mL/3 g/day)

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

Consult a healthcare provider before administering.

Frequently Asked Questions (FAQ)

1. What is Penicillin V used for?

Penicillin V (Pen VK) is used to treat bacterial infections such as strep throat, pneumonia, and skin infections.

2. How often is this given?

Pediatric ≥ 1 month: 25 to 50 mg/kg/day, divided TID (3 times/day) or QID (4 times/day), Max 3 g/day. Adults: 300 to 600 mg PO TID to QID (Max 3 g/day).

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

Consult a doctor, as Penicillin V is not typically recommended for infants under 1 month without 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 daily dose?

The maximum daily dose is 60 mL (3 g or 3000 mg) per 24 hours for both pediatric and adult patients.