discolored.
How Can Cutting a Nail Cause a Problem?
Cutting the nail itself normally should not cause swelling underneath it. The problem can occur if the nail is accidentally injured while being trimmed — for example, by applying excessive pressure, cutting extremely close to the skin, or catching the tissue underneath the nail.
The nail sits directly over the nail bed, a sensitive layer of tissue containing small blood vessels. Trauma to this area can cause some of those vessels to bleed, allowing blood to collect beneath the nail. Because there
