Tests and cultures on sputum to identify the Legionella bacteria
Urine tests to check for Legionella pneumophila bacteria
Antibiotics are used to fight the infection. Treatment is started as soon as Legionnaire disease is suspected, without waiting for results of any lab test.
Other treatments may include receiving:
Fluids through a vein (IV)
Oxygen, which is given through a mask or breathing machine
Legionnaire disease can be life-threatening. The risk of dying is higher in people who:
Have chronic diseases
Become infected while in the hospital
When to Contact a Medical Professional
Make an appointment with your health care provider if you have any type of breathing problem.
Edelstein PH, Roy CR. Legionnaires' disease and Pontiac fever. In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 8th ed. Philadelphia, PA: Elsevier Saunders; 2015:chap 234.
Denis Hadjiliadis, MD, MHS, Paul F. Harron Jr. Associate Professor of Medicine, Pulmonary, Allergy, and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.