Smashed fingers, causing direct trauma to one or more fingers, should initially be treated with ice to reduce swelling. If blood builds up under a fingernail, a heated wire may be used to burn a hole through the nail.
Review Date 6/13/2021
Updated by: C. Benjamin Ma, MD, Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery, San Francisco, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.