Overview
Skin folds like the armpit and under the breast are more likely to break down.
Symptoms
Common signs:
- Red or peeling skin where radiation was given
- Red, warm, swollen skin
Less common
- Itching
- Open, weepy skin
When to get medical care
Causes
Radiation therapy.
Does it spread or run in families?
- It isn't contagious. You can't catch it from someone else.
Who is more likely to get it
- Skin folds
- Higher doses
Diagnosis
Your radiation team checks your skin.
Treatment
Treat skin gently.
Self-care
- Wash with mild soap and lukewarm water
- Use the moisturizer your team recommends
- Wear loose, soft clothing
- Keep the area out of the sun
- Don't use heat or ice packs
Medicines
Medicines that may help:
| Medicine | Helps with | Good to know |
|---|---|---|
| Prescribed creams | Sore or broken skin | Ask your team before using any product. |
OwieClear doesn't give doses: follow the label or your healthcare professional. Medicine names here are examples, not a full list.
Which doctor treats this
- Start with your primary care provider (family doctor or internist).
- They may send you to a dermatologist (skin doctor).
Pregnancy and breastfeeding
- If you're pregnant or planning to be, tell your prenatal provider about this condition.
- Some skin medicines, like isotretinoin and retinoid creams, aren't safe in pregnancy.
- Don't start or stop any medicine on your own. Some are safe in pregnancy and some need to be changed.
- Ask before taking any pain reliever. The FDA advises avoiding ibuprofen and naproxen after 20 weeks unless your doctor says to.
- Breastfeeding: Most medicines are fine, but ask. The NIH LactMed database lists what's known about each one.
Outlook
Usually heals.
Getting ready for your visit
Bring a list of your symptoms and medicines.
Questions to ask
- What can I put on my skin?
Research studies
Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.
Search ClinicalTrials.gov for studies on Skin damage from radiation therapy
Sources
Last updated 2026-11-12.