DefinitionBy Mayo Clinic Staff
Histoplasmosis is an infection caused by breathing in spores of a fungus often found in bird and bat droppings. Histoplasmosis is most commonly transmitted when these spores become airborne, often during cleanup or demolition projects.
Soil contaminated by bird or bat droppings also can transmit histoplasmosis, so farmers and landscapers are at a higher risk of contracting the disease. In the United States, histoplasmosis commonly occurs in the Mississippi and Ohio river valleys, though it can occur in other areas, too.
Most people with histoplasmosis never develop symptoms and aren't aware they're infected. But for some people — primarily infants and those with compromised immune systems — histoplasmosis can be serious. Effective treatments are available for even the most severe forms of histoplasmosis.
Jan. 08, 2015
- Ferri FF. Ferri's Clinical Advisor 2015: 5 Books in 1. Philadelphia, Pa.: Mosby Elsevier; 2015. https://www.clinicalkey.com. Accessed Nov. 30, 2014.
- Information for healthcare professionals about histoplasmosis. Centers for Disease Control and Prevention. http://www.cdc.gov/fungal/diseases/histoplasmosis/health-professionals.html. Accessed Nov. 30, 2014.
- Histoplasmosis: Protecting workers at risk. Centers for Disease Control and Prevention. http://www.cdc.gov/niosh/docs/2005-109. Accessed Nov. 30, 2014.
- Longo DL, et al. Harrison's Online. 18th ed. New York, N.Y.: The McGraw-Hill Companies; 2012. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=4. Accessed Nov. 30, 2014.
- Who gets histoplasmosis? Centers for Disease Control and Prevention. http://www.cdc.gov/fungal/diseases/histoplasmosis/risk-prevention.html. Accessed Nov. 30, 2014.
- Mason RJ, et al. Murray and Nadel's Textbook of Respiratory Medicine. 5th ed. Philadelphia, Pa.: Saunders Elsevier; 2010. http://www.clinicalkey.com. Accessed Nov. 30, 2014.
- What is ARDS? National Heart, Lung, and Blood Institute. http://www.nhlbi.nih.gov/health/health-topics/topics/ards. Accessed Dec. 2, 2014.
- Wheat J, et al. Diagnosis and treatment of pulmonary histoplasmosis. http://www.uptodate.com. Accessed Nov. 30, 2014.