Why Are My Toenails Yellow?
Common causes of yellow toenails and when to get them checked.
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Quick answer
- See a professional for pain, swelling or spreading.
- People with diabetes should not self-treat foot problems.
- A podiatrist can test and confirm the cause.
Warning signs
Pain, swelling, pus, bleeding, or thickening that spreads to other nails.
Diabetes and circulation
See a professional promptly (NIDDK).
What they do
Test nail samples and discuss treatment (AAD).
Cosmetic care
Cosmetic sprays can complement, not replace, care.
More
Read why toenails turn yellow.
Frequently asked questions
Can a podiatrist test for fungus?
Yes, with a nail sample.
Should diabetics self-treat toenails?
No. See a professional.
This article is general information, not medical advice. Talk to your doctor before starting any supplement. We may earn a commission from links on this page; see our disclosure and editorial standards.
