Subcutaneous Injection Technique

Subcutaneous Injection Technique - 1

Overview

Subcutaneous injection delivers medication into the fatty tissue layer beneath the skin for slow, sustained absorption.

Procedure Steps

  1. Select injection site (abdomen, thigh, upper arm)
  2. Clean area with alcohol swab
  3. Pinch skin fold at 45-degree angle
  4. Insert needle smoothly
  5. Inject medication slowly
  6. Withdraw and apply pressure

Injection Sites

SiteAbsorption RateBest For
AbdomenFastestInsulin
ThighModerateHeparin
Upper armSlowestVaccines

Rotate injection sites to prevent lipodystrophy and ensure consistent absorption.

Complications

  • Bruising and hematoma
  • Infection at injection site
  • Lipohypertrophy with repeated use
Subcutaneous Injection Technique — Procedimiento médico | Globalthy