Caring for a Central Line (CVC) at Home or in Rehab

A plain-language guide to caring for a central line (non-tunneled central venous catheter) at home or in rehab — keeping it clean and dry, protecting it, recognizing problems, and when to call for help.

patient-educationJun 2026Home Care

If you are leaving the hospital — for home or a rehab or skilled nursing facility — with a central line (a non-tunneled central venous catheter, or CVC), this guide explains how to keep it clean and safe and how to recognize a problem early.

A non-tunneled central line is usually a shorter-term device. If you have a PICC line, implanted port, or tunneled (Hickman/Broviac) catheter, follow the guide for that device — they are cared for differently.

What a central line is

A central line is a thin, flexible catheter placed into a large vein in your neck, chest, or groin, with its tip resting in a large vein near the heart. It lets your care team give medicines, fluids, and nutrition, and draw blood, without repeated needle sticks. Because the tip sits in a major vein, keeping it clean and protected is very important.

Your daily central line care routine

  1. Keep the dressing clean, dry, and sealed on all edges.
  2. Wash your hands before touching the line or its connections.
  3. Keep clamps closed and caps on every port when not in use.
  4. Flush only as instructed, never forcing it.
  5. Check the site and how you feel every day.

Keeping it clean and dry

The clear dressing is your main protection against infection — keep it intact and dry. Most people with a non-tunneled central line are told not to shower over the site; use sponge baths and keep the area dry. Never swim or submerge the line. If the dressing loosens or gets wet underneath, contact your care team for a fresh sterile dressing.

Warning signs — when to call your care team

  • Fever or chills
  • Redness, swelling, warmth, drainage, or pain at the site
  • Swelling of the face, neck, or arm
  • A line that will not flush or a leaking connection

Emergencies — call emergency services

  • The line is cut, broken, or pulled out — clamp or fold it closed, lie on your left side, and call for help (air can enter the vein)
  • Sudden shortness of breath or chest pain