Overview
Actinomycosis (lumpy jaw) is caused by a bacteria introduced to face tissues by trauma, surgery or infection. Long term treatment with antibiotics is often required.
Review Date 12/31/2023
Updated by: Jatin M. Vyas, MD, PhD, Associate Professor in Medicine, Harvard Medical School; Associate in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.