Learn How to Inject: Subcutaneous Injections with a Pre-Filled Syringe

Its easy for patients and caregivers to learn how to perform a subcutaneous injection with a pre-filled syringe. Subcutaneous means “under the skin”.

This type of injection is also called a subq injection, pronounced “sub Q” (“sub cue”).

Dr. Thompson, a rheumatologist, will demonstrate an injection in the following video using a syringe that has been pre-filled with medicine.

The video lesson is applicable a variety of medications that must be taken by subcutaneous injection using a pre-filled syringe.

If your medication comes in a syringe that you need to fill on your own, you might be interested in:

Learn how to inject subcutaneous injections

Subcutaneous Injections

A subcutaneous injection involves poking a small needle just under the skin to deliver medicine into the “fatty tissue” below. The medicine is absorbed by the small blood vessels under the skin.

The way the body absorbs medication under the skin is similar to when you take a pill or tablet and small blood vessels in the stomach or bowel absorb the medication.

A subcutaneous injection is a different type of injection than those that deliver medicine into a muscle (an intramuscular injection) or directly into the blood (an intravenous injection).

Parts of a syringe

Each syringe might look a little different but they are all the basically the same. They have 4 basic parts:

  1. A needle cap (which is removed)
  2. A needle
  3. A barrel which contains the medicine
  4. And a plunger.

Video Lesson

Step-by-Step: How to Inject

There are four basic steps to performing a subcutaneous injection with a pre-filled syringe: