What does the term "subcutaneous" refer to in medication administration?

The term "subcutaneous" specifically refers to the administration of medication or injections that are delivered beneath the skin, but above the underlying muscle and tissue. This method allows for a slower absorption of medication into the bloodstream compared to other routes of administration, such as intravenous or intramuscular.

Subcutaneous injection is commonly used for specific types of medication, like insulin or heparin, which need to be absorbed gradually over time. The technique typically involves using a small needle to inject the medication into the fatty tissue beneath the skin. This route is advantageous for drugs that require a slower onset and prolonged duration of action, promoting patient compliance and comfort.