Bullae are large blisters on the skin that are filled with clear fluid. Many different skin conditions can cause bullae to form. They can be caused by infection or inflammation of the skin.
Habif TP. Principles of diagnosis and anatomy. In: Habif TP, ed. Clinical Dermatology. 6th ed. Philadelphia, PA: Elsevier; 2016:chap 1.
Habif TP. Vesicular and bullous diseases. In: Habif TP, ed. Clinical Dermatology. 6th ed. Philadelphia, PA: Elsevier; 2016:chap 16.
Review Date 10/8/2018
Updated by: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.