Injuries can cause toenail discoloration due to a subungual hematoma, which involves blood and fluid collecting under the nail. A red area will appear that may turn purple over time and then brown ...

We asked a dermatologist if you should be concerned about brittle, peeling nails and what you can to do treat and prevent ...

Nail discoloration is something most people experience ... "Many people who wear nail polish are unaware of what their nails look like under the polish," Dr. Brendan Camp tells us exclusively.