Medically reviewed by Adam H. Kaplan, DPM Key Takeaways Ingrown toenails often occur when the side of the toenail grows into the skin, causing pain and redness.Warm water soaks may help treat mild ...

If you’ve ever stared at your tiny, barely-there pinky toenail and wondered why it looks like the mini version of a “real” nail, you’re not alone. The fifth toenail is a biological leftover — a ...