Looking After Your PICC Line — at Home
A PICC line in your arm needs more active care than most devices. The dressing, the line site and what you can do in water all need attention every day — and knowing the warning signs early is what keeps a small problem from becoming a serious one.
Medically reviewed by Dr. C. Raghavendra Reddy, Medical Oncologist, MBBS (Gold Medal) · DNB · DM (Medical Oncology, Gold Medal) · Last reviewed September 2026
- The dressing is your first defence — A dry, intact dressing is what keeps bacteria away from the point where the line enters your skin.
- Water is the main daily risk — Even a short shower can wet the dressing enough to break its seal. A waterproof sleeve is needed every time.
- Warning signs are specific — Redness, swelling or fever with a PICC line are not minor irritations — they are symptoms to report the same day.
- Your team sets the rules for your line — PICC lines vary. Always confirm what applies to yours with the nurse who placed it.
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A PICC line dressing must stay dry, intact and firmly attached at all times. Your team will show you or arrange a nurse to change it on a schedule they set — or sooner if it lifts, gets wet, or looks dirty. Never change it yourself without training and the sterile materials your team provides.
When does the PICC line dressing need to be changed?
Your team will tell you how often the dressing is scheduled to be changed. This is usually done by a trained nurse, either at the clinic or at home, depending on what your team arranges.
You do not need to wait for the scheduled change if the dressing lifts at the edges, gets wet under the waterproof cover, looks dirty, or feels loose anywhere. A compromised dressing should be changed the same day.
Do not try to re-stick a lifting edge with pharmacy tape. Tape is not sterile and does not restore the seal the dressing needs. Call your team or the nurse managing your line.
Can I shower with a PICC line in?
You can shower, but the dressing and the line must be completely covered with a waterproof sleeve designed for PICC lines before you step in. Your team will show you which cover to use and how to fit it correctly.
Do not submerge the arm in water — no baths, no swimming, no hot tubs. Submersion allows water to get under even a well-fitted cover and breaks the dressing seal.
If the dressing gets wet despite the cover, let your team know the same day. A wet dressing left in place creates the conditions for infection at the line entry point.
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What are the warning signs that something is wrong with my PICC line?
- Redness, warmth or swelling at the site or spreading up the arm — call your team today.
- The arm or shoulder is more swollen than usual — needs same-day assessment.
- Pain or burning along the arm when the line is being flushed — tell your nurse before continuing.
- Fever or chills with no other obvious cause — PICC infections can cause both; needs urgent review.
- Fluid leaking around the entry point — call your team or go to emergency care.
- The line looks shorter outside the skin than it did before — stop using it and call your team immediately.
- The dressing lifts, gets wet or looks dirty — arrange a change the same day.
Did you know?
PICC-related bloodstream infection is the most serious complication of long-term IV access, and most cases trace back to a break in the skin barrier — which is exactly what the dressing is there to prevent.
Most PICC line infections are preventable when the dressing stays intact and early warning signs are reported the same day they appear.
Source: ESMO Clinical Practice Guidelines — Supportive and Palliative Care
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Frequently asked questions
Can I change the PICC line dressing at home myself?
Only if your care team has trained you and given you the sterile supplies to do it. Dressing changes need specific materials — a sterile field, the right cleansing solution, and a film dressing designed for PICC lines. Doing it without these creates a real infection risk. If no nurse has been arranged to come to you, call your team and ask how your dressing changes are being organised rather than improvising at home.
What waterproof cover should I use for showering?
Use the waterproof sleeve your team recommends, not a plastic bag secured with tape. Bags and tape do not create a reliable seal and water often gets in at the edges. The sleeve should cover the dressing and enough skin above and below it to form a proper seal. Your nurse should show you how to apply it before you go home. If you are unsure, ask before your first shower — not after.
The arm near the PICC line looks a little swollen. Is that normal?
Mild puffiness in the first day or two after the line is placed can be normal as the vein settles. Swelling that appears later, is getting worse, or spreads up toward the shoulder is not something to wait on — it can be a sign of a clot in the vein, which PICC lines can occasionally cause. Call your team the same day if the swelling is new or increasing. This is not a wait-and-see situation.
Can I use the arm with the PICC line for everyday tasks?
Yes, for most things — eating, writing, gentle movement. Avoid anything that puts sustained pressure on or around the line site: carrying heavy bags on that arm, vigorous repetitive exercise with that shoulder, or sleeping directly on it. Your team will tell you if there are restrictions specific to your situation, so confirm with them rather than guessing.
What should I do if the PICC line looks like it has moved or come out a little?
Do not try to push it back in — this is never safe. Cover the site loosely with clean gauze or a clean cloth and call your team immediately. If the line has come out completely and bleeding does not stop with firm pressure, go to the nearest emergency department. A line that has moved cannot be used until a nurse or doctor has confirmed its position.
Who do I call after hours if I am worried about my PICC line?
Your team should give you an after-hours contact number before you go home with a PICC line. Keep it on your phone and written somewhere at home. If you do not have a number, ask before discharge. For fever, bleeding that does not stop, or sudden severe pain, go to the nearest emergency department rather than waiting for a callback. Most line complications are manageable when seen early.
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