A hard hit or crush injury to your nail can cause it to detach and fall off. As experts in dermatology note, this raises common concerns: Why does it happen, and will a new nail grow back?
Nails depend on a consistent blood supply for growth. Circulation delivers essential nutrients to the nail bed. When trauma disrupts this, the nail often can't recover and separates completely.
Reassuringly, in most cases, a healthy new nail regrows from the nail matrix. Full regrowth takes time—up to several months. Severe damage to the nail bed or matrix, however, may lead to permanent deformities in the new nail.
