Medically reviewed by Susan Bard, MD Having a loose toenail or fingernail can be a troubling symptom, especially if you don't ...

When David Edges's wife spotted a faint brown line on his toenail, he didn't think it was anything to worry about. But Kelly, 47, a skin specialist in the beauty industry, was instantly concerned, ...

I love getting my nails done as much as the next person—from a structured gel mani to the TikTok-famous Russian manicure, I'm down to try anything. That's the fun part. The not-so-fun part? Depending ...

Read on to learn more about what can cause sore fingernails or toenails, including possible causes of pain by location, and how to treat nail ... on the cuticle, nail bed, or finger.