Medical Definition of Humidifier fever

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Humidifier fever: A form of sick building syndrome that usually develops on Monday or the first workday of the week.

The hallmark of the disease is the sudden onset of fever. Other features may include muscle aches and pains and mild shortness of breath.

Humidifier fever can be caused by a number of different agents including amebas, bacteria, and fungi that may live in the moist environment of a humidifier.

Humidifier fever typically resolves once the patient is no longer exposed to the causative agent coming from the humidifier.

Last Editorial Review: 1/26/2017

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