In onycholysis the nails become loose. They may even detach from the nail bed. When not held firmly in place, the nails are rapidly damaged and debris collects beneath them.
Review Date 6/19/2021
Updated by: Ramin Fathi, MD, FAAD, Director, Phoenix Surgical Dermatology Group, Phoenix, AZ. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.