20/04/2026
IV Insert the needle at about a 15–25 degree angle to the skin.
Intramuscular (IM) injection:
Insert the needle at a 90-degree angle straight into the muscle.
Subcutaneous (SC) injection:
Insert the needle at a 45-degree angle (or sometimes 90 degrees if there is enough fatty tissue).
Intradermal (ID) injection:
Insert the needle at a very shallow 10–15 degree angle just under the skin