Opioid Conversions

Question 1

Morphine IV to PO

Answer 1

5 IV = 15 PO

Multiply by 3

Question 2

Morphine PO to IV

Answer 2

15 PO = 5 IV

Divide by 3

Question 3

Oxycodone PO to morphine PO

Answer 3

10 oxy = 15 morphine

Multiple by 1.5

Question 4

Morphine PO to oxycodone PO

Answer 4

15 morphine = 10 oxy

Divide by 1.5

Question 5

Tramadol PO to morphine PO

Answer 5

150 tramadol = 15 morphine

Divide by 10

Question 6

Morphine PO to tramadol PO

Answer 6

15 morphine = 150 tramadol

Multiply by 10

Question 7

Hydromorphone PO to morphine PO

Answer 7

3 PO hydromorphone = 15 PO morphine

Multiply by 5

Question 8

Hydromorphone IV to hydromorphone PO

Answer 8

1 IV hydromorphone = 3 PO hydromorphone

Multiply by 3

Question 9

Hydromorphone IV to morphine PO

Answer 9

1 IV hydromorphone = 15 PO morphine

Multiply by 15

Question 10

Morphine PO to hydromorphone IV

Answer 10

15 PO morphine = 1 IV hydromorphone

Divide by 15

Question 11

Morphine PO to hydromorphone PO

Answer 11

15 PO morphine = 3 PO hydromorphone

Divide by 5

Question 12

Hydromorphone PO to hydromorphone IV

Answer 12

3 PO hydromorphone = 1 IV hydromorphone

Divide by 3

Question 13

Hydrocodone PO to morphine PO

Answer 13

15 hydrocodone = 15 morphine

Equivalent

Question 14

Oxycodone PO to morphine IV

Answer 14

10 oxy = 5 IV morphine

Multiply by 1.5, divide by 3
OR divide by 2

Question 15

Fentanyl IV to morphine PO

Answer 15

0.05 mg = 50 mcg IV fentanyl = 15 PO morphine

If in MCG: multiply by 15, divide by 50

If in MG: multiply by 1000, multiply by 15, divide by 50

Question 16

Morphine PO to fentanyl IV

Answer 16

15 PO morphine = 50 mcg IV fentanyl = 0.05 mg

To get MCG: multiply by 50, divide by 15

To get MG: multiply by 50, divide by 15, divide by 1000

Question 17

Hydromorphone IV to morphine IV

Answer 17

1 IV hydromorphone = 5 IV morphine

Multiply by 5

Question 18

Morphine IV to hydromorphone IV

Answer 18

5 IV morphine = 1 IV hydromorphone

Divide by 5

Question 19

Fentanyl IV to morphine IV

Answer 19

0.05 mg = 50 mcg IV fentanyl = 5 IV morphine

If in MCG, divide by 10
If in MG, multiply by 100

Question 20

Morphine IV to fentanyl IV

Answer 20

5 IV morphine = 50 mcg IV fentanyl = 0.05 mg

To get MCG, multiply by 10
To get MG, multiply by 100

Question 21

Fentanyl IV to hydromorphone IV

Answer 21

0.05 = 50 mcg IV fentanyl = 1 hydromorphone IV

If in MCG, divide by 50
If in MG, multiply by 20

Question 22

Hydromorphone IV to fentanyl IV

Answer 22

1 IV hydromorphone = 50 mcg IV fentanyl = 0.05

To get MCG, multiply by 50
To get MG, divide by 20

Question 23

Fentanyl TD to morphine PO

Answer 23

50 mcg/hour TD fentanyl = 100 PO morphine/24 hours

Multiply by 2

Question 24

Morphine PO to fentanyl TD

Answer 24

100 PO morphine/24 hours = 50 mcg/hour TD fentanyl

Divide by 2