Nail and skin changes during breast cancer treatment
- Medical Review: Lori B. Ranallo, RN, MSN, CBCN, APRN-BC
While some cancer treatment side effects are well-known even to people without cancer, such as hair loss, nausea, and loss of energy, others can be surprising for those who experience them. Some of these side effects are changes to the fingernails, toenails, and skin. Changes to the nails and skin are common with some breast cancer treatments. This is especially true for people in treatment for metastatic breast cancer because treatment is ongoing.
Depending on the kinds of treatment you have, you may notice changes to your skin and nails. In most cases, nail and skin changes disappear within a few weeks to several months after you stop the treatment that causes them. Still, if you have nail and skin changes, they can be upsetting to see and may cause discomfort. For some people, they can interfere with daily activities. Below, we’ll talk about why nail and skin changes happen with some breast cancer treatments. We’ll also share ways to manage nail and skin changes.
Nail side effects
Some breast cancer treatments can affect the physical characteristics of your nails. Fingernails and toenails are made of a hard layer of dead skin cells. They form to protect the tips of our fingers and toes, and they help make it possible for us to pick up small objects by supporting the soft tip of the finger.
The two main parts of the nail are the nail bed, which is the skin underneath the nail, and the nail itself, which is sometimes called the nail body or nail plate. The nail body attaches to our fingers and toes through the nail bed. Blood vessels in the nail bed carry nutrients to the nails, and make the nail bed look pink in most people.
The most common treatment side effects that impact the nails include:
- Painful, thin, weak, brittle, or cracked fingernails and toenails
- Nail blemishes such as white streaks, lines, or small indentations
- Ragged or dry cuticles
- Nail darkening or color changes
- Nails that lift off the nail bed or fall off completely
- Beau’s lines: deep ridges that form horizontally across the nail (from side to side) because treatment temporarily stopped the nail from growing
- Koilonychia, sometimes called “spoon nails,” in which the nails are indented or concave
- Nail infections
- Nail fungus
How to manage nail side effects
Some nail side effects only impact the way your nails look, such as ridges and creases in the nails, or changes in color. But some changes can be painful or may mean you have an infection in the nail bed. Still, there are ways to manage the different kinds of changes that can happen:
- Split, brittle, or ridged nails can be protected with special nail polish recommended or prescribed by your medical team.
- Weak nails may benefit from biotin, a dietary supplement you take by mouth as a vitamin. Be sure to talk to your care team before taking biotin to make sure it’s appropriate for you.
- Swollen, inflamed nails can be treated with prescription steroid creams, disinfecting soaks, and prescription medicines or antibiotics. Your nurse or doctor may also recommend soaking the inflamed nails in a solution of water and white vinegar.
- If nails are pulling away from the nail bed or falling off completely, or if nails develop deep grooves that crack (nail fissures), minor surgery may be needed to remove the nail body and relieve pain.
- A skin infection called paronychia can develop around the nails on the fingers or toes. It can look like fungus and is common after 2 or more months of chemotherapy treatment. Effects include pain, redness, and swelling around the nails; pus; and/or thickening or discoloration of the nail. Let your care team know if you experience any of these. They may recommend:
- Soaking fingers or toes in a solution of 1-part white vinegar to 10 parts warm water for 15 minutes every night
- Wearing soft cotton gloves, especially when working with your hands and when sleeping, to reduce the risk of nails lifting off the nail bed
- Wearing socks with soft padded shoes or slippers to protect the toenails. If the condition worsens, your team may prescribe an ointment or cream
- Nail infections may be treated with antibacterial cream recommended by your care team.
You can also try these at-home tips to protect your nails during treatment:
- Keep nails trimmed and clean.
- Wear gloves when doing household chores, gardening, or cleaning.
- Avoid cutting or removing your cuticles. Instead, use a moisturizer or massage them with natural oils such as olive oil or vegetable oil.
- Ask your care team to recommend brands of nail-strengthening polish.
- Avoid using artificial nails, as they can increase your risk of infection.
- Look for roomier shoes if your toenails become painful.
- If your nails start to lift off the nail bed, keep them clean and protected. You can use a bandage to protect them from any trauma.
- If you regularly visit a dermatologist (a doctor who specializes in skin disorders), explain that you are receiving breast cancer treatment that can cause nail changes.
Skin side effects
The skin is the body’s largest organ. It’s made of layers of skin cells, collagen fibers, fat, and connective tissue. The skin protects the body from germs, sun rays, toxic substances, and extreme temperatures. It gives us our sense of touch, stores water, and produces hormones, among other functions.
Though the skin is a tough barrier against many things, cancer treatments can irritate it, from mildly to severely. Some of the most common skin side effects are:
- Redness
- Thin or fragile skin
- Peeling
- Sensitivity to sunlight
- Skin color changes
- Rashes
- Dry skin
- Blisters
- Scarring
- Numbness
- Pain, soreness, or burning
- Swelling and pus in the skin around the fingernails or toenails (an infection called paronychia)
- Itching
- Acne
How to manage skin side effects
Though changes to the skin can be uncomfortable, there are many ways to manage them throughout breast cancer treatment.
- Moisturize dry skin with alcohol-free body lotion, especially after bathing.
- Consider adding baby or mineral oil to bathwater, or put it on after showering, to moisturize the skin.
- Avoid using very hot water to bathe.
- Avoid practices that rub or irritate the skin, such as shaving, rubbing dry with a towel, or scrubbing with loofas or bath rags. Instead, wash carefully and pat the skin dry.
- Stay hydrated by drinking enough water. Talk to your doctor about how much you should drink while in treatment.
- Use mild, unscented soaps and skin products.
- Wear loose-fitting clothing to avoid fabric rubbing on the skin.
- Sleep in a cool room to avoid sweating.
- Stay out of direct sunlight, and wear sunscreen of SPF 30 or higher on any skin exposed to the sun.
- If your care team confirms that you have paronychia (a skin condition involving pain, redness, and swelling around the fingernails or toenails), they may recommend soaking fingers and toes in a solution of 1-part white vinegar to 10 parts warm water for 15 minutes each night; wearing soft cotton gloves while working with hands and sleeping; and wearing socks with soft padded shoes or slippers. They may also prescribe an ointment or cream if needed.
There are also ways your care team can help. Ask them:
- About skin care tips
- If they can recommend a soothing salve, such as pure aloe
- To prescribe medicine that can help if needed
What causes nail and skin changes?
There are many types of breast cancer treatments that can lead to changes in the skin and nails. But just because a treatment can cause a side effect does not mean that everyone taking that treatment will experience it. Every person reacts differently to cancer treatments, so while some people may have significant, uncomfortable changes to the skin and nails, it is possible to have changes that are mild, or to see no changes at all.
Chemotherapy, radiation therapy, and some hormonal and targeted therapies can all cause nail and skin changes. Surgery can cause scars and skin numbness where nerves have been cut. Other issues that can happen with treatment — injury, irritation, infection, and vitamin deficiency — can also affect the health of your nails and skin.
Below, we’ll talk about how some common breast cancer treatments can lead to changes in the skin and nails.
Chemotherapy
Chemotherapy works well at killing fast-growing cells, such as cancer cells. But some other, healthy cells in our bodies are also fast-growing. These include the cells that help skin stay soft and nails to grow. Chemotherapy can make your skin more sensitive and reduce the oil your skin makes, causing dryness.
In some cases, chemotherapy can cause certain white blood cells, called neutrophils, to drop to low levels, a condition called neutropenia. Neutropenia increases the risk of infections of the skin and nails.
Some common skin effects of chemotherapy are:
- Redness
- Rash
- Dryness
- Peeling
- Sensitivity to the sun
- Pain, swelling, redness and/or pus in the skin around the fingernails or toenails (an infection called paronychia)
Some common nail effects of chemotherapy are:
- Cracking
- Darkening
- Painful or sore cuticles
Chemotherapy medicines that can cause nail and skin changes include:
- Capecitabine (Xeloda)
- Docetaxel (Taxotere)
- Doxorubicin (Adriamycin)
- Liposomal doxorubicin HCI liposome injection (Doxil)
- Ixabepilone (Ixempra)
- Daunorubicin (Cerubidine, daunoxome)
Radiation therapy
Radiation therapy can cause skin reactions in the area receiving radiation and the skin surrounding it. In breast cancer, this is commonly the breast, chest, and underarm area. Radiation therapy can also be given to other parts of the body in people living with metastatic breast cancer.
Radiation therapy can cause a gradual, sunburn-like skin reaction on the area being treated. The skin may swell or puff. Because radiation affects nerve endings in the skin, it can cause skin to feel more sensitive to touch. Radiation can also make skin dry and itchy, cause it to peel, or cause darkening. Sometimes, people receiving radiation therapy develop sores that can become painful or infected.
Video: Skin care and scarring after breast cancer surgery and radiation therapy
In this interview, Living Beyond Breast Cancer CEO Jean A. Sachs, MSS, MLSP, speaks with breast surgical oncologist Monique Gary, DO, MSc, FACS, about ways to protect your skin before, during, and after treatment. Dr. Gary explains how doctors evaluate your skin before treatment and questions to ask. She also shares information on how to minimize keloids and hypertrophic scars, and about specific products, lotions, and supplements that strengthen skin, plus guidance to protect your sensitive skin in the summer sunshine.
Hormonal therapy
Hormonal therapies work against hormone receptor-positive breast cancers by disrupting how the body makes estrogen or the ways that estrogen helps cancer cells grow. Hormones in our bodies do many things, and one of them is contributing to our skin’s plumpness, hydration, and color. When hormonal therapy changes estrogen levels, there can be skin side effects. For example:
- The hormonal therapies tamoxifen and anastrozole (Arimidex) can sometimes cause a skin rash.
- Aromatase inhibitors including anastrozole, exemestane (Aromasin), and letrozole (Femara) can cause dry skin.
Targeted therapy
Targeted therapies are medicines that zero in on specific parts or actions of cancer cells to stop them from making cancer grow. Some of them target parts of cells involved in the growth or health of skin cells, which is why people taking them may see changes to the nails and skin.
Certain targeted therapies are known to cause skin and nail changes:
- Alpelisib (Piqray) can cause a rash; scaly skin; or red, itchy bumps.
- Everolimus (Afinitor) can cause a red, bumpy, dry, and sore rash, as well as cracked, dry, and itchy skin that may become scaly. It can also cause the skin to darken.
- Lapatinib (Tykerb) can cause an acne-like rash that cannot be treated with acne medication. The rash can be red, swollen, dry, crusty, and sore.
- Neratinib (Nerlynx) can cause a rash that is red and feels swollen, crusty, dry, and sore. The skin can also crack and itch.
- Palbociclib (Ibrance) can cause a rash.
- Pertuzumab (Perjeta) can cause the nails to darken, become brittle, or fall off. It can also cause a skin rash that appears as red, itchy bumps.
- Ribociclib (Kisqali) can sometimes cause an uncommon but severe skin side effect. If you develop a severe rash; red skin; flu-like symptoms; skin pain or burning; and/or lip, eye, or mouth blisters with or without a fever, you should contact your doctor right away.
- Sacituzumab govitecan (Trodelvy) can cause a rash; scaly skin; or red, itchy bumps.
- Tucatinib (Tukysa) can cause a skin reaction called hand-foot syndrome that involves tingling, redness, burning pain, itching, or swelling of the hands and feet, sometimes with blisters and peeling skin.
- Trastuzumab (Herceptin) can cause a rash.
Immunotherapy
Immunotherapy uses the body’s own immune system to destroy cancer cells. Immunotherapies approved to treat breast cancer include immune checkpoint inhibitors such as pembrolizumab (Keytruda). Immune checkpoint inhibitors don’t commonly cause skin side effects, but they can happen. These can include:
- Itchy or tight skin
- A burning sensation
- Rash
- Cracked or peeling skin
- Blisters
- Redness or other changes of color
- Areas of hair loss
Talking with your care team
Skin and nail treatment side effects can cause discomfort, and while many of them can be managed at home with the tips we provided earlier on this page, it’s important to report all side effects to your care team. If nail and skin issues become too uncomfortable, painful, or are getting in the way of everyday needs, your doctors may be able to offer advice or care. For example, they may be able to recommend pain or inflammation relievers, topical creams to help with rashes, or antibiotics to treat infections.
When you start treatment, or if you notice nail and skin changes, consider asking these questions:
- Can my treatment change my skin or nails?
- Can I prevent nail and skin side effects from happening? How?
- Can I continue my current nail routine during treatment?
- When can I expect changes to occur, and when do they get better/go away?
- What nail and skin problems should I call you about?
- Should I avoid any medications if I notice skin or nail changes?
- Can you recommend any products that help ease these side effects?
- Can I wear protective nail lacquer to help with side effects? Where do I get it?
- If I see skin changes, do I need to see my dermatologist?
- If I have nail side effects, how can I repair my nails after this treatment ends?
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Reviewed and updated: September 25, 2023
Reviewed by: Lori B. Ranallo, RN, MSN, CBCN, APRN-BC
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- nuclear grade
- nuclear magnetic resonance imaging
- nuclear medicine scan
- nurse
- nurse practitioner
- nutrition
- nutrition therapy
- nutritional counseling
- nutritional status
- nutritional supplement
- nutritionist
- obese
- objective improvement
- objective response
- observation
- observational study
- obstruction
- off-label
- olaparib
- oncologist
- oncology
- oncology nurse
- oncology pharmacy specialist
- oncolysis
- ondansetron
- onset of action
- oophorectomy
- open biopsy
- open label study
- open resection
- operable
- opiate
- opioid
- opportunistic infection
- oral
- organ
- orthodox medicine
- osteolytic
- osteonecrosis of the jaw
- osteopenia
- osteoporosis
- OTC
- outcome
- outpatient
- ovarian
- ovarian ablation
- ovarian cancer
- ovarian suppression
- ovary
- over-the-counter
- overall survival rate
- overdose
- overexpress
- overweight
- ovulation
- PA
- paclitaxel
- paclitaxel albumin-stabilized nanoparticle formulation
- paclitaxel-loaded polymeric micelle
- Paget disease of the nipple
- pain threshold
- palliation
- palliative care
- palliative therapy
- palmar-plantar erythrodysesthesia
- palonosetron hydrochloride
- palpable disease
- palpation
- palpitation
- pamidronate
- panic
- papillary tumor
- Paraplatin
- parenteral nutrition
- paroxetine hydrochloride
- PARP
- PARP inhibitor
- partial-breast irradiation
- partial mastectomy
- partial oophorectomy
- partial remission or partial response
- pastoral counselor
- paternal
- pathologic fracture
- pathological stage
- pathological staging
- pathologist
- pathology report
- patient advocate
- Paxil
- peau d'orange
- pedigree
- peer-review process
- peer-reviewed scientific journal
- perfusion magnetic resonance imaging
- perimenopausal
- periodic neutropenia
- perioperative
- peripheral neuropathy
- peripheral venous catheter
- personal health record
- personal medical history
- personalized medicine
- Pertuzumab
- PET scan
- pharmacist
- phase I/II trial
- phase I trial
- phase II/III trial
- phase II trial
- phase III trial
- phase IV trial
- phlebotomy
- photon beam radiation therapy
- phyllodes tumor
- physical examination
- physical therapist
- physical therapy
- physician
- physician assistant
- physiologic
- PI3 kinase inhibitor
- pilocarpine
- pilot study
- placebo
- placebo-controlled
- plastic surgeon
- plastic surgery
- population study
- positive axillary lymph node
- positive test result
- positron emission tomography scan
- post-traumatic stress disorder
- postmenopausal
- postoperative
- postremission therapy
- potentiation
- power of attorney
- PR
- PR+
- PR-
- practitioner
- precancerous
- preclinical study
- predictive factor
- pregabalin
- premalignant
- premature menopause
- premenopausal
- prescription
- prevention
- preventive
- preventive mastectomy
- primary care
- primary care doctor
- primary endpoint
- primary therapy
- primary treatment
- primary tumor
- Principal investigator
- prochlorperazine
- progesterone
- progesterone receptor
- progesterone receptor-negative
- progesterone receptor-positive
- progesterone receptor test
- progestin
- prognosis
- prognostic factor
- progression
- progression-free survival
- progressive disease
- Prolia
- proliferative index
- promegapoietin
- prophylactic
- prophylactic mastectomy
- prophylactic oophorectomy
- prophylactic surgery
- prophylaxis
- prospective
- prospective cohort study
- prosthesis
- protective factor
- protein
- protein-bound paclitaxel
- protein expression
- protein expression profile
- protocol
- proton
- proton magnetic resonance spectroscopic imaging
- pruritus
- psychiatrist
- psychological
- psychologist
- psychosocial
- psychotherapy
- PTSD
- pump
- punch biopsy
- qi
- qigong
- quadrantectomy
- quality assurance
- quality of life
- radiation
- radiation brachytherapy
- radiation dermatitis
- radiation fibrosis
- radiation necrosis
- radiation nurse
- radiation oncologist
- radiation physicist
- radiation surgery
- radiation therapist
- radiation therapy
- radical lymph node dissection
- radical mastectomy
- radioactive
- radioactive drug
- radioactive seed
- radioisotope
- radiologic exam
- radiologist
- radiology
- radionuclide
- radionuclide scanning
- radiopharmaceutical
- radiosensitization
- radiosensitizer
- radiosurgery
- radiotherapy
- raloxifene
- raloxifene hydrochloride
- randomization
- randomized clinical trial
- receptor
- RECIST
- reconstructive surgeon
- reconstructive surgery
- recreational therapy
- recurrence
- recurrent cancer
- referral
- reflexology
- refractory
- refractory cancer
- regimen
- regional
- regional anesthesia
- regional cancer
- regional chemotherapy
- regional lymph node
- regional lymph node dissection
- registered dietician
- regression
- rehabilitation
- rehabilitation specialist
- relapse
- relative survival rate
- relaxation technique
- remission
- remission induction therapy
- remote brachytherapy
- research nurse
- research study
- resectable
- resected
- resection
- residual disease
- resistant cancer
- resorption
- respite care
- response rate
- retrospective cohort study
- retrospective study
- risk factor
- Rubex
- salpingo-oophorectomy
- salvage therapy
- samarium 153
- sargramostim
- scalpel
- scan
- scanner
- scintigraphy
- scintimammography
- sclerosing adenosis
- screening
- screening mammogram
- second-line therapy
- second-look surgery
- second primary cancer
- secondary cancer
- secrete
- sedative
- segmental mastectomy
- selection bias
- selective estrogen receptor modulator
- selective serotonin reuptake inhibitor
- sentinel lymph node
- sentinel lymph node biopsy
- sentinel lymph node mapping
- sepsis
- sequential AC/Taxol-Trastuzumab regimen
- sequential treatment
- SERM
- sertraline
- Serzone
- sestamibi breast imaging
- sexuality
- sibling
- side effect
- silicone
- simple mastectomy
- simulation
- Single-agent therapy
- sleep disorder
- social service
- social support
- social worker
- sodium thiosulfate
- soft tissue
- solid tumor
- somatic
- somatic mutation
- sorafenib
- specialist
- specificity
- spiculated mass
- spinal anesthesia
- spinal block
- spiral CT scan
- spirituality
- sporadic cancer
- SSRI
- stable disease
- stage
- stage 0 breast carcinoma in situ
- stage 0 disease
- stage I breast cancer
- stage IA breast cancer
- stage IB breast cancer
- stage II breast cancer
- stage II breast cancer
- stage IIA breast cancer
- stage IIB breast cancer
- stage III breast cancer
- stage III lymphedema
- stage IIIA breast cancer
- stage IIIB breast cancer
- stage IIIC breast cancer
- stage IV breast cancer
- staging
- stamina
- standard of care
- standard therapy
- statistically significant
- stent
- stereotactic biopsy
- stereotactic radiosurgery
- sterile
- sternum
- steroid
- stress
- strontium
- study agent
- subcutaneous
- subcutaneous port
- subjective improvement
- subset analysis
- supplemental nutrition
- supplementation
- support group
- supportive care
- supraclavicular lymph node
- surgeon
- surgery
- surgical biopsy
- surgical menopause
- surgical oncologist
- survival rate
- symptom
- symptom management
- symptomatic
- synergistic
- synthetic
- syringe
- systemic
- systemic chemotherapy
- systemic disease
- systemic therapy
- TAC regimen
- tai chi
- tailored intervention
- talk therapy
- tamoxifen
- targeted therapy
- taxane
- Taxol
- Taxotere
- Tc 99m sulfur colloid
- technician
- terminal disease
- therapeutic
- therapeutic touch
- therapy
- thermography
- thiethylperazine
- thiotepa
- third-line therapy
- thrush
- time to progression
- tinnitus
- tissue
- tissue flap reconstruction
- TNM staging system
- tomography
- tomotherapy
- topical
- topical chemotherapy
- topoisomerase inhibitor
- total estrogen blockade
- total mastectomy
- total nodal irradiation
- total parenteral nutrition
- toxic
- toxicity
- tracer
- traditional acupuncture
- tranquilizer
- transdermal
- transfusion
- transitional care
- translational research
- trastuzumab
- trauma
- treatment field
- trigger
- trigger point acupuncture
- triple-negative breast cancer
- tumescent mastectomy
- tumor
- tumor antigen vaccine
- tumor board review
- tumor burden
- tumor debulking
- tumor load
- tumor marker
- tumor volume
- Tykerb
- ulcer
- ulceration
- ultrasound-guided biopsy
- ultrasound/ultrasonography
- ultraviolet radiation therapy
- uncontrolled study
- undifferentiated
- unilateral
- unilateral salpingo-oophorectomy
- unresectable
- unresected
- upstaging
- urticaria
- VACB
- vaccine therapy
- vacuum-assisted biopsy or vacuum-assisted core biopsy
- Valium
- vancomycin
- vandetanib
- vascular endothelial growth factor-antisense oligonucleotide
- vascular endothelial growth factor receptor tyrosine kinase inhibitor
- vein
- Velban
- venipuncture
- venous sampling
- Versed
- vertebroplasty
- vinorelbine
- vital
- vomit
- watchful waiting
- wedge resection
- Wellcovorin
- Western medicine
- WGA study
- white blood cell
- whole cell vaccine
- whole genome association study
- wide local excision
- wire localization
- wound
- X-ray therapy
- Xanax
- Xeloda
- xerostomia
- Xgeva
- yoga
- ziconotide
- Zinecard
- Zofran
- zoledronic acid
- Zoloft
- Zometa
Living Beyond Breast Cancer is a national nonprofit organization that seeks to create a world that understands there is more than one way to have breast cancer. To fulfill its mission of providing trusted information and a community of support to those impacted by the disease, Living Beyond Breast Cancer offers on-demand emotional, practical, and evidence-based content. For over 30 years, the organization has remained committed to creating a culture of acceptance — where sharing the diversity of the lived experience of breast cancer fosters self-advocacy and hope. For more information, learn more about our programs and services.