Medical Oncologist
Skin side effects
Skin care around a port
Keep it clean, dry and untouched between nurse visits, and look at it every day. A healed port needs little care; a PICC or central line has a dressing that must stay dry and intact. The skin around any device is a possible route for infection into the bloodstream, so redness, discharge or a wet dressing needs a call the same day.
NG
Medically reviewed by Dr. Naresh GunduConsultant Medical Oncologist · MBBS, DNB (Internal Medicine), DM (Medical Oncology, AIIMS) · last reviewed September 2026, next review due September 2027
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The short answer
How do you look after the skin around a port or line?
Keep it clean, dry and untouched between nurse visits, and look at it every day. A port sits under the skin and needs little care once the surgical wound has healed; a PICC line or a central line that comes out through the skin has a dressing that the nurses change on a schedule and that must stay dry and intact in between. In both cases the skin around the device is a possible entry point for infection, and infection there can reach the bloodstream.
The most important habit is the daily look. Redness, swelling, warmth, tenderness, discharge, or a dressing that has become wet, loose or dirty all need a phone call to your team. Fever with any of those is an emergency.
Do not put anything on the site
No creams, oils, powders, turmeric, talc or antiseptic unless the nurses have told you to. Many of these loosen dressings or irritate the skin.
Keep dressings dry
Cover a PICC or central line dressing when bathing, as your nurses show you, and avoid swimming. A wet dressing needs changing promptly.
Wash hands before touching
Nobody should touch the site or dressing without washing hands first, and ideally not at all between nurse visits.
Ask your nurse to show you what a healthy site looks like, so you know what to compare against.By type of device
What care each device usually needs
- Implanted port
- A small chamber under the skin of the chest or arm. Once the wound has healed, the skin over it can be washed normally. It needs regular flushing by the team, and the skin should be watched for redness, swelling or pain.
- Port when a needle is in place
- During infusions or if a needle is left in, the site is covered by a dressing that must stay dry and secure. Do not remove or adjust it yourself.
- PICC line
- A thin tube in the upper arm with part of it outside the skin, held by a dressing and securing device. The dressing and caps are changed by nurses on a schedule and must stay dry between changes.
- Tunnelled central line
- A line on the chest that exits through the skin. Similar dressing care to a PICC, with the added need to keep the external part secure so it is not pulled.
- Recent surgical wound over a port
- Until the stitches or glue have healed, keep the wound dry and follow the surgical instructions. Watch for redness, discharge or the wound opening.
- After the device is removed
- The small wound needs keeping clean and dry until it heals. Report redness, discharge or fever.
Not sure whether this applies to you?
Ask an oncologistPractical
Everyday care around the site
Hands clean, site dry, eyes on it every day.
Look at it every day
In good light, at the same time each day. Compare with how it looked yesterday and with what the nurse showed you.
Look for
- Redness, swelling, warmth or pain
- Discharge, or a wet, loose or dirty dressing
Bathe with the site protected
For a PICC or external line, cover the dressing as your nurses showed you, keep the arm or chest out of the water stream, and avoid baths that soak the area. For a healed port, wash normally.
Wear soft, loose clothing
Avoid tight straps, bra straps, bag straps and seat belts pressing directly on the device. Soft cotton over the site prevents rubbing.
Avoid
- Heavy bags on the port side
- Tight sleeves over a PICC
Keep the arm gently active
With a PICC, normal light use of the arm is usually encouraged. Avoid heavy lifting, vigorous repetitive movements and pressure on the line, and ask your team about specific limits.
Keep appointments for flushing and dressing
Lines and ports need regular flushing and dressing changes by the team even between cycles. Missed changes increase the risk of blockage and infection.
!
Go to the nearest emergency department immediately for any of these
A temperature at or above your team's threshold, or shivering, especially after the line or port is flushed · redness, swelling, warmth or pus at the site with fever · swelling of the arm, neck, face or chest on the same side · sudden breathlessness or chest pain · the line cracked, cut, leaking or partly pulled out · bleeding from the site that does not stop with gentle pressure. Say clearly that the person is on chemotherapy and has a port or line. For redness, discharge or a wet or loose dressing without fever, contact your team the same day.
Being straight with you
What this page cannot tell you
It cannot replace your own device's care instructions. Ports, PICC lines and central lines differ, and so do the products and schedules used by different hospitals. Ask your nurses to show you and to give you the instructions in writing, and follow those where they differ from this page.
It also cannot tell you whether a particular change at the site is an infection. During treatment the safe rule is to report it the same day rather than wait and see.
Never flush or change a line yourself unless trained
Some families are taught specific steps for home care. Unless the team has trained you and supplied the equipment, leave flushing, cap changes and dressing changes to the nurses.
Local clinics may not be familiar with lines
If you need a dressing change or flush near home, confirm with your team who can do it safely, and carry the device information card and instructions.
Scissors and sharp objects stay away
Never use scissors near a PICC or external line, including to cut a dressing or tape. A cut line is an emergency.
Children and older patients need supervision
Children may pick at dressings, and older patients may not notice a problem. A family member doing the daily check is safest.
What to do next
Ask your nurse to show you a healthy site and give written care instructions. Look at the site every day, keep dressings dry and intact, do not apply anything to the skin, wear loose clothing, and keep flushing appointments. Report redness, discharge or a wet dressing the same day, and go to emergency for fever or arm swelling.
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Commonly believed
Four ideas about ports and lines
"A little coconut oil will keep the skin around the line soft."
Oils and creams loosen dressings and can carry infection to the site. Leave the skin around a line alone unless the nurses advise otherwise.
"If the dressing gets wet, it will dry by itself."
A wet dressing lets bacteria reach the site. Contact your team to have it changed promptly.
"The port is under the skin, so it cannot get infected."
The skin and tissue around a port can become infected, and so can the port itself. Watch for redness, swelling and fever.
"Between cycles, the line does not need attention."
Lines and ports need regular flushing and dressing care even when no treatment is due. Keep those appointments.
Questions we are asked
Common questions about port and line care
Can I bathe with a PICC line?
Usually yes, with the dressing covered as your nurses show you and the arm kept out of the water stream. Avoid baths that soak the area and swimming. Report a wet dressing so it can be changed.
Do I need to clean a healed port?
Once the surgical wound has healed, wash the skin normally with mild soap and water, pat dry, and look at it daily. The port itself is flushed by the team on schedule.
What does an infected port or line look like?
Redness, swelling, warmth, tenderness or discharge at the site, sometimes with fever or shivering, especially after flushing. Report it the same day; fever needs emergency care.
Can I put cream on itchy skin near the dressing?
Not without asking your nurses. Creams can loosen the dressing or irritate the site. They may change the dressing type if the skin underneath is reacting.
My arm is swollen on the line side. Is that serious?
It can be a clot. Go to the nearest emergency department the same day, saying the person is on chemotherapy and has a PICC or central line.
Can I lift things or exercise?
Light everyday use is usually fine. Avoid heavy lifting, vigorous repetitive arm movements and swimming with a PICC, and ask your team about specific limits for your device.
How often does the line need attention?
It depends on the device and hospital. PICC and central lines usually need regular dressing and cap changes and flushing; ports need less frequent flushing. Ask for your schedule in writing.
What should I carry in case of problems?
The device information card, the care instructions, your treatment summary and your team's contact number. Show them at any hospital or clinic you attend.
Meet the Specialists
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Trained at AIIMS, Tata Memorial, and leading international centres. Combined 150+ years of experience. Every complex case is reviewed by 3+ of them — together.
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Dr. C. Raghavendra Reddy
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
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Dr. Vinay Mamidala
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Dr. Vajja Sandeep Kumar
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Sources
- Macmillan Cancer Support — Chemotherapy and infection risk
- National Cancer Institute — Chemotherapy and You: Support for People With Cancer
- Cancer Research UK — Side effects of chemotherapy
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
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