Intravenous (IV) Cannula Download PDF (850 KB) [Please download the PDF file if you are unable to view the image below.]This patient education material explains intravenous (IV) cannula care for patients receiving outpatient parenteral antibiotic therapy (OPAT). It covers what an IV cannula is, proper home care techniques including keeping the site dry and hand hygiene, troubleshooting common problems like dislodgement or bleeding, recognising signs of extravasation, and when to contact healthcare providers.