7 Things Your Nails Can Reveal About Your Health The most common reason for toenails with a yellowish discoloration is nail fungus, scientifically known as onychomycosis. You might pick up toenail ...

The bleeding from the ruptured blood vessels causes a bruise, which appears as skin discoloration. A bruised toenail is a ...

Read on to learn more about what can cause sore fingernails or toenails, including possible causes of pain by location ... to cause swelling and redness or discoloration of the finger, especially ...