Overview
Patches often show more after tanning because they don't tan.
It often comes back in summer.
Symptoms
Common signs:
- Light or dark scaly patches on the chest or back
- Light or dark scaly spots on the chest or back
Less common
- Mild itching
Look up a symptom: Itching · Light or dark scaly spots on the chest or back
When to get medical care
Causes
Overgrowth of normal skin yeast.
Does it spread or run in families?
- It isn't caught from someone else. It's caused by germs that already live on or in the body.
Who is more likely to get it
- Teens and young adults
- Hot climates
Diagnosis
A clinician can usually tell by looking.
Tests
Tests, if needed:
- Skin scraping:
Treatment
Treat and prevent.
Self-care
- Use antifungal shampoo on the skin for 5 to 10 minutes, then rinse
- Wear breathable clothes
- Repeat monthly in summer to prevent it
Medicines
Medicines that may help:
| Medicine | Helps with | Good to know |
|---|---|---|
| Antifungal washes | Patches | |
| Antifungal pills | Widespread | Prescription. |
OwieClear doesn't give doses: follow the label or your healthcare professional. Medicine names here are examples, not a full list.
Prevention
To prevent it:
- Monthly antifungal wash in summer
Which doctor treats this
- Start with your primary care provider (family doctor or internist).
- They may send you to a dermatologist (skin doctor).
Back to school, work, or sports
- You can go to school or work once treatment starts. Keep the area covered and don't share towels.
Pregnancy and breastfeeding
- If you're pregnant or planning to be, tell your prenatal provider about this condition.
- Some infections can pass to the baby during pregnancy or birth. Tell your provider if you've been exposed.
- 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
Harmless and treatable.
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.
Sources
Last updated 2026-11-12.