Injection parameters

intradermal injections degree

5-15 degree

Subcutaneous angle

45-90 degree

intramuscular degree

90 degree

what is important to keep in mind with IM injections

divide doses of > 3 mL into two doses

deltoid takes a maximum of 2 mL

children will not usually get more than 1mL

use Z track unless its a vaccine

intramuscular gauge

22-25 gauge

intramuscular inches

1 to 1.5 inches

intramuscular areas

upper arm deltoid muscle, thigh, vastus lateralis muscles, ventrogluteal muscle (hip)

intramuscular volume

1 to 3 mL

Subcutaneous needle gauge

25-27 gauge or 28-30 for insulin

Subcutaneous needle length

½ to 5/8 inch standard

5/16 inch for insuline

subcutaneous injection sites

abdomen 2” away from umbilicus

outer upper arm

anterior thigh

subcutaneous volume

< 1 mL

intradermal needle length

3/8 to 5/8 inch

intradermal area

inner aspect of lower arm and scapular area

intradermal volume

< 0.1 mL to form a wheal

intradermal needle gague

25-27 gauge