How to Calculate Morphine 1 mg/mL (5 mg/5 mL) Dose

This calculator determines the Morphine dose for treating pain, using a concentration of Morphine 1 mg/mL (or 5 mg/5 mL = 1 mg/mL), based on the patient’s weight:

Dose in mL and mg (based on Morphine):

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: Morphine 1 mg/mL (or 5 mg/5 mL = 1 mg/mL).

Administer as prescribed for pain management. ⚠️ Always consult a healthcare provider, as Morphine is a potent opioid with significant risks.

Using the Morphine 1 mg/mL (5 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 (Morphine) for pediatric patients (>6 months).

Example: Weight 11 kg:

Pediatric dose (>6 months):
2.2 mL (2.2 mg) to 5.5 mL (5.5 mg) po every 4 hours prn

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

Consult a healthcare provider before administering, and use cautiously due to opioid risks.

Frequently Asked Questions (FAQ)

1. What is Morphine used for?

Morphine (Statex; Oramorph) is used to treat moderate to severe pain, including post-surgical pain and cancer pain.

2. How often is this given?

Pediatric >6 months: 0.2 to 0.5 mg/kg/dose po every 4 hours prn (Initial Max: 15 mg to 20 mg/dose).

3. Can this be used for infants under 6 months?

Consult a doctor, as Morphine is not typically recommended for infants under 6 months without medical supervision due to safety concerns.

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 initial dose for pediatric patients?

The maximum initial dose for pediatric patients (>6 months) is 20 mg/dose.