Next Slideshow Title
IMAGES PROVIDED BY:
1) Daiva Boguckiene / EyeEm / Getty Images
2) amesy / Getty Images
3) Manuel Faba Ortega / Thinkstock
4) SandroSalomon / Thinkstock
5) benstevens / Thinkstock
6) poco_bw / Thinkstock
7) RoniMeshulamAbramovitz / Thinkstock
8) ISM / Medical Images
9) Gary Ombler / Getty Images
10) Bhownit Singh / EyeEm / Getty Images
11) DR P. MARAZZI / Science Source
American Osteopathic College of Dermatology: “Green Nail Syndrome,” “Subungual Hematoma.”
The Australian Journal of Dermatology: “Subungual and periungual congenital blue naevus.”
American College of Foot and Ankle Surgeons: “White Toenails,” “Black Toenails.”
American Family Physician: “Treating Onychomycosis.”
U.S. National Library of Medicine: “Darier disease.”
Mayo Clinic: “Nail fungus.”
Reviewed by Stephanie S. Gardner, MD on May 29, 2020
This tool does not provide medical advice. See additional information.
THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.
View our slideshows to learn more about your health.