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Living Through Treatment — Pediatric Cancer
Central line & port care at home — what every parent needs to know
Medically reviewed by CION Oncology Team · Last reviewed June 2026
Your child's chemo port or central line is a lifeline during treatment — it protects small veins from repeated needle sticks and makes every infusion safer. Learning to care for it at home feels daunting at first. This guide explains exactly what to do, what to watch for, and when to call the team without hesitation.
- Child chemo port care starts with handwashing — clean hands before touching the line, every single time, no exceptions.
- Fever is a medical emergency — 38°C or above in a child with a central line means calling the hospital immediately, day or night.
- Port flush child appointments — arranged by the clinic team; do not attempt to flush at home without specific training and supplies.
- Tumor board for every patient — at CION, every paediatric case is reviewed by a multidisciplinary team, not a single doctor's opinion.
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Central line care kids — understanding the device
What is your child's central line or chemo port, and why does it matter?
A central venous access device — whether a port under the skin or an external central line — is placed at the start of treatment to give your child's team a reliable, safe route into the bloodstream. Understanding what you have helps you care for it confidently.
Most chemotherapy medicines are strong enough to damage small arm veins over repeated infusions. A central line or port solves this problem by delivering medicines directly into a large vein near the heart, where the blood flow is fast enough to dilute even the most potent treatments. It also means blood can be drawn from the same device — reducing the number of needle sticks your child experiences throughout treatment.
External Central Line (e.g. PICC or Hickman)
A soft tube — one or more — enters through the skin and rests in a large chest vein. The tubing exits the body and is taped or secured at the insertion site. You can see and feel the tube outside the skin. This type may need daily care and dressing changes, and restricts some activities (no full submersion in water). It is accessed easily without a needle.
Implanted Port (Portacath)
Placed entirely under the skin during a short surgical procedure. A small titanium or plastic dome sits just below the surface — between treatments it is invisible under clothing and causes no discomfort. It is accessed only when needed, using a special non-coring needle. Between sessions, central line care kids with ports is simpler — no external dressing, and most everyday activities are unrestricted.
Your child's oncologist will have chosen the device best suited to the length and type of treatment planned. If you are unsure which device your child has, ask the treating nurse to show you the device type, the exit site or the port site, and the written care instructions before you leave hospital — you deserve a full explanation before going home.
Keep the discharge care sheet: every hospital provides written instructions specific to your child's device and protocol. That document takes precedence over anything you read online. If you have lost it, call the ward and ask for a replacement before the next clinic visit.
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Port flush child & daily care guide
Caring for the central line at home — step by step
The care routine feels unfamiliar at first. Most parents feel confident within two to three days of being home. Follow these steps in order every time you interact with the device. If anything feels wrong, call the team — no question is too small.
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Wash your hands — properly and every time
Before touching the line, the dressing, or any connected equipment, wash your hands with soap and water for at least 20 seconds. Use an alcohol-based hand rub as a supplement, not a substitute, for handwashing. This single step prevents the majority of central-line infections.
Teach older siblings and other household members the same habit. Anyone who may touch the device — even accidentally — should wash their hands before doing so.
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Check the dressing and the site every day
For external lines: look at the dressing covering the exit site each day without removing it. A clean, dry, intact dressing with no lifting edges and no visible discharge underneath is what you want to see. If the dressing is wet, peeling, or blood-stained, change it using the sterile technique your nurse demonstrated.
For a port that is not currently accessed: look at the skin over the port site. There should be no redness, swelling, or tenderness when you gently press around (not on) the dome. A little firmness or a faint scar from insertion is normal.
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Keep the line dry during bathing
Water is the enemy of a sterile dressing. For external central lines, use waterproof covers (your team will supply or advise on these) during sponge baths or showers. Do not allow the exit site to become submerged in bath water at all. Hair washing can be done carefully with the child leaning backwards over a basin.
Children with a port that is not currently needled may bathe and shower normally once the surgical wound has healed — ask the surgeon at the post-insertion check-up when this is safe.
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Attend every scheduled port flush appointment
An unused port must be flushed every four to six weeks (the exact interval depends on the device and your child's protocol) to stop the small internal chamber from clotting. This flush is done at the clinic by a trained nurse using sterile technique and the correct syringe size and solution. Never miss this appointment — a clotted port may need to be replaced under anaesthesia.
If you cannot make the scheduled date, call the clinic in advance so they can book an alternative slot. Do not simply postpone without speaking to the team.
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Know the warning signs — and act on them immediately
Do not wait until morning for any of the following. Call the paediatric oncology team or go to the emergency department now if your child has:
Call the hospital immediately — do not wait- Fever of 38°C (100.4°F) or above — this is a medical emergency in a child with a central line.
- Redness, warmth, swelling, or any discharge at or around the exit site or port site.
- The line appears shorter, has moved, or a child with an external line says it feels loose.
- Pain, burning, or swelling along the arm or chest during or after a flush or infusion.
- The clamp, tubing, or any connector is cracked, leaking, or broken.
- Your child develops sudden chills, shaking, or looks unexpectedly unwell near the time of a flush or infusion.
A central-line associated bloodstream infection (CLABSI) — MEDICAL SIGN-OFF FLAG: the term CLABSI should be reviewed by the medical team before publishing — can develop rapidly in children whose immune systems are suppressed by chemotherapy. Early treatment makes a significant difference; that is why the fever threshold for action is lower than for a child who does not have a line.
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Protect the line from pulls and accidental tugs
Younger children — toddlers especially — may grab at an external line out of curiosity or discomfort. Dress your child in close-fitting vests or onesies that cover the line and keep the tubing looped and secured with medical tape so there is slack before the secured point. When carrying your child, be conscious of where the line exits and avoid pressure on that area.
Keep the line looped and taped to the skin with enough slack that a normal movement will not pull the tip. If the line ever appears to have moved — if it looks longer coming out of the skin than it did before — call the clinic before the next scheduled visit. Never push tubing back in.
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Common questions
Your questions about central line and port care at home — answered
What is the difference between a central line and a port?
Both a central line and a port are devices placed by a surgeon to give chemotherapy and other medicines safely into a large vein near the heart, avoiding repeated needle sticks in the arm. The main difference is where the device sits. A central line (such as a PICC line or a Hickman line) has one or more soft tubes that exit through the skin — you can see and touch the tubing. A port (also called a portacath or subcutaneous port) is placed entirely under the skin; a small dome sits beneath the surface and is accessed with a special needle only when medicines are being given. Between treatments a port looks like a small bump under the skin and does not restrict your child's activity as much as an external line.
How do I keep my child's central line or port clean at home?
Your child's care team will give you a specific written protocol before discharge — follow that document precisely, as different devices and hospitals have slightly different procedures. In general: wash your hands thoroughly with soap and water for at least 20 seconds before touching any part of the line. Use the sterile dressing-change technique you were taught in hospital. Keep the exit site (for external lines) dry and covered; avoid immersing it in water such as baths or swimming pools unless the team has given you waterproof covers and permission. Change the dressing on the schedule the nurse demonstrated — usually every seven days for a transparent film dressing, or sooner if it becomes wet, loose, or visibly soiled. Never use scissors near the line.
What is a port flush and how often does it need to happen?
A port flush — also called a line flush — means pushing a saline solution (and sometimes heparin, depending on your child's protocol) through the device to keep it clear and prevent clotting. For a port that is not being used for active treatment, flushing is typically done every four to six weeks by a trained nurse at the clinic; the team will arrange this on a schedule for you. For an external central line that is accessed more regularly, flushing may be required daily or after every use. You should not attempt to flush the line at home unless you have been specifically trained and supplied with the correct syringes and solution by the care team. Never force a flush if you feel resistance — contact the clinic immediately.
What warning signs mean I should call the hospital immediately?
Call the paediatric oncology team straightaway — do not wait until morning — if you notice any of the following: fever of 38°C (100.4°F) or above in a child with a central line; redness, swelling, warmth, or discharge at or around the exit site or port site; the line looks shorter or has slipped out of position; your child complains of pain, burning, or swelling along the line's path during a flush or infusion; the clamp or the tubing is cracked or leaking; or your child develops chills, shaking, or looks suddenly unwell during or just after a flush or infusion. A fever in a child with a central line is treated as a medical emergency because bacteria can enter through the device and reach the bloodstream very quickly.
Can my child go to school and play normally with a port?
A port that is fully under the skin and not currently accessed with a needle places very few limits on daily activity. Between chemotherapy sessions, most children with a port can attend school, play with friends, and do gentle physical activity. Contact sports — anything with a hard impact to the chest area — should be discussed with your oncologist before allowing, because a direct blow to the port site could damage the device. Swimming is generally safe once the insertion wound has fully healed and only if the port is not accessed (needle removed and dressing secure). For children with an external central line, activity restrictions are wider — the team will advise which movements are safe based on the specific device your child has.
When will the central line or port be removed?
The device is usually removed when treatment is complete and the oncology team is confident it will not be needed again — typically several months after the last chemotherapy cycle, once blood counts have recovered and the team has reviewed the overall plan. Removal is a short surgical procedure, usually done under sedation or general anaesthesia in children, and your child goes home the same day. The team will tell you the planned timeline at the end-of-treatment review. Devices are not removed early simply because they feel inconvenient; keeping it in place avoids the need for further venous access if any additional treatment is required.
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