Final answer:
Subcutaneous injections are given just under the skin using a small needle, typically a 25-gauge or 27-gauge needle. Common locations for subcutaneous injections include the abdomen, thigh, and upper arm.
Step-by-step explanation:
Subcutaneous (Subq) injections are given just under the skin, into the fatty tissue. These injections are usually given with a small needle, typically a 25-gauge or 27-gauge needle. The length of the needle depends on the amount of subcutaneous tissue present in the area being injected. Common locations for subcutaneous injections include the abdomen, thigh, and upper arm.