Pulmonary actinomycosis

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Respiratory system

Pulmonary actinomycosis is a rare bacterial lung infection.

Actinomycosis - pulmonary

Pulmonary actinomycosis is caused by a species of bacteria normally found in the mouth and gastrointestinal tract, where they do not usually cause harm. However, poor dental hygiene and dental abscess can increase your risk for face, jaw, and lung infections caused by these bacteria.

Alcohol abuse, having scars on the lungs (bronchiectasis), and emphysema are all associated with lung infections caused by actinomycosis.

The disease is rare in the U.S., with only about 100 confirmed cases per year. It may occur at any age, but most patients are 30 - 60 years old. Men get this infection more often than women do.

Review Date: 05/25/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School, Assistant in Medicine, Division of Infectious Disease, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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