Medical Oncologist
Skin side effects
Wound healing during chemotherapy
Cuts, grazes and burns tend to heal more slowly during chemotherapy and become infected more easily, especially during the low-count days of a cycle. Clean a small wound gently with clean water, cover it with a clean dressing, and watch it daily. Spreading redness, pus, increasing pain or fever need your team 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
Do wounds heal more slowly during chemotherapy?
Yes, often. Chemotherapy slows the growth of the cells that repair skin, and low white cells make infection more likely, so cuts, grazes, burns and blisters can take longer to close and are more likely to become infected. That is especially true during the low-count days of a cycle, in people with diabetes, and in anybody who is not eating well.
Most small wounds still heal well with simple, careful care: gentle cleaning with clean water, a clean dressing, keeping it dry, and a daily look for signs of trouble. The purpose of the care is less about speed and more about catching an infection early, when it is easy to treat.
Clean it with clean water, not harsh antiseptics
Rinse under clean running water or with boiled and cooled water. Strong antiseptic liquids can damage the healing tissue.
Cover it and keep it dry
A clean, non-stick dressing protects the wound from dirt and knocks. Change it daily, or sooner if it gets wet or dirty.
Look at it every day
Spreading redness, swelling, warmth, pus, increasing pain or a bad smell are the signs to act on, the same day.
Tell your team about any wound before your next cycle, even a small one. It can affect treatment timing.Why healing changes
What slows healing during treatment
- Slower cell repair
- Chemotherapy affects fast-dividing cells, including those that rebuild skin. Wounds may stay open longer and new skin can be thinner.
- Low white cells
- Fewer infection-fighting cells means bacteria in a wound are more likely to take hold, and infection can spread faster. The low-count days carry the most risk.
- Low platelets
- Cuts may bleed for longer and bruise more. Gentle pressure is usually enough, but persistent bleeding needs attention.
- Poor appetite and weight loss
- Healing needs protein and energy. When eating is difficult, wounds tend to heal more slowly.
- Steroids and other medicines
- Steroids given with treatment can slow healing and hide some signs of infection. Your team will take this into account.
- Diabetes and numbness
- Diabetes slows healing and raises infection risk, and numb feet may not feel a wound at all until it is advanced.
Not sure whether this applies to you?
Ask an oncologistFirst aid
Caring for a small cut or graze at home
Wash your hands
With soap and water before touching the wound. Use clean gloves if available.
Stop the bleeding
Press gently with a clean cloth or gauze for several minutes. If it keeps bleeding, contact your team, as platelets may be low.
Rinse gently
Clean under running clean water or with boiled and cooled water. Remove visible dirt gently without scrubbing.
Cover with a clean dressing
Pat the surrounding skin dry and apply a non-stick sterile dressing. Change it daily or when wet or dirty.
Check daily and report
Look for spreading redness, swelling, pus, heat or increasing pain, and take your temperature if the wound looks worse.
!
Get medical help the same day, or immediately, for any of these
A temperature at or above your team's threshold, or shivering, which needs the nearest emergency department immediately · redness spreading from the wound, or red streaks up a limb · pus, a bad smell, or increasing pain and swelling · a wound that keeps bleeding despite pressure · a deep cut, an animal bite, or a burn larger than the palm of the hand · a wound on a numb or diabetic foot that is red or discharging · redness, pain or discharge at a port or surgical site. Say clearly that the person is on chemotherapy.
Being straight with you
What this page cannot tell you
It cannot tell you whether a particular wound is infected or healing normally. Early infection can look mild, and steroids can hide redness and fever. If you are unsure, the safe answer during treatment is to show it to your team.
It also cannot tell you how surgery and chemotherapy timings interact for you. After an operation, oncologists often wait for the wound to heal before starting or restarting chemotherapy. Your surgical and oncology teams plan that together.
Avoid home remedies on open wounds
Turmeric, coffee powder, ash, toothpaste and herbal pastes are often applied to cuts. On an open wound during treatment they add dirt and delay healing. Clean water and a clean dressing are safer.
Prevention is easier than treatment
Care in the kitchen, gloves for gardening, closed footwear, an electric shaver, and a clear floor at night reduce the cuts, burns and falls that lead to wounds.
Tell your team before the next cycle
An open or healing wound may change whether treatment goes ahead as planned, or what precautions are taken. Mention it even if it seems small.
Eat enough protein
Healing needs building material. If appetite is poor, small protein-rich meals and a dietitian's advice help wounds as well as strength.
Burns need particular care
Kitchen burns are common during treatment, especially when numb fingers do not register heat. Cool a small burn under gently running cool water for a good while, do not apply ice, butter, toothpaste or oil, and cover it loosely with a clean non-stick dressing. Blistered, large or deep burns need your team or an emergency department the same day.
Keep a simple dressing kit at home
Sterile non-stick dressings, gauze, paper tape, clean scissors kept only for dressings, and disposable gloves, stored together in a clean box. Having them ready means a small wound is covered properly straight away.
What to do next
For a small cut or graze, wash your hands, stop the bleeding, rinse with clean water, cover it with a clean dressing, and check it every day. Avoid home pastes. Report spreading redness, pus, persistent bleeding or fever the same day, and tell your team about any wound before your next cycle.
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Commonly believed
Four ideas about wounds on treatment
"Turmeric paste heals cuts faster."
On an open wound during treatment, pastes add dirt and can delay healing or hide infection. Clean water and a clean dressing are safer.
"Strong antiseptic kills all the germs."
Harsh antiseptic liquids can damage healing tissue. Gentle rinsing with clean water is usually better for a small wound.
"Leave it open to the air so it dries out."
A covered wound is protected from dirt and knocks and often heals better. Keep it clean, covered and dry, and check it daily.
"It is too small to mention to the doctor."
During treatment a small wound can become a serious infection, and it can affect cycle timing. Mention it before your next cycle.
Questions we are asked
Common questions about wound healing
Why is my cut taking so long to heal?
Chemotherapy slows the cells that repair skin, and low counts, steroids, poor appetite and diabetes can all slow healing further. Keep it clean and covered and show it to your team if it is not improving.
How should I clean a wound?
Wash your hands, rinse the wound with clean running or boiled and cooled water, pat the surrounding skin dry, and cover it with a clean non-stick dressing.
Can I use antiseptic cream?
Ask your team. Gentle cleaning and a clean dressing are usually enough for small wounds, and some creams irritate or hide infection during treatment.
How do I know if it is infected?
Spreading redness, swelling, warmth, pus, a bad smell, increasing pain, red streaks, or fever. Any of these needs your team the same day, and fever needs emergency care.
Will a wound delay my chemotherapy?
Sometimes, depending on the wound and your counts. Tell your team before the next cycle so they can decide whether to proceed or wait.
My cut keeps bleeding. What should I do?
Press firmly but gently with a clean cloth for several minutes. If it does not stop, or you see bruising or red dots elsewhere, contact your team the same day.
I have diabetes. What extra care do I need?
Check your feet and any wounds daily, keep blood sugar as controlled as possible, and report any wound on the feet promptly, because healing is slower and infection risk higher.
What about wounds after surgery?
Follow your surgical team's wound instructions. Chemotherapy is often timed around wound healing, and redness, discharge or opening of the wound should be reported promptly.
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Dr. Vinay Mamidala
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Sources
- Macmillan Cancer Support — Chemotherapy and infection risk
- American Cancer Society — Skin Problems
- National Cancer Institute — Chemotherapy and You: Support for People With Cancer
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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