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Histoplasmosis is an infection caused by the fungus Histoplasma capsulatum. Histoplasmosis is the most common of the three major endemic (limited to a specific geographical area) fungal infections of North America.

Learn About Histoplasmosis

Histoplasmosis is usually acquired by breathing fungal spores from the soil or in construction projects.  It is not contagious and it usually resolves on its own. But people with weakened immune systems can develop a severe and life-threatening form of this disease.

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Histoplasmosis Symptoms, Causes and Risk Factors

Most histoplasmosis infections resolve by themselves. However, three forms of histoplasmosis, acute, chronic and disseminated, may require antifungal therapy.

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Diagnosing and Treating Histoplasmosis

As long as the diagnosis is made and antifungal therapy started in a timely fashion, histoplasmosis can be effectively treated with the currently available therapies.

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Living With Histoplasmosis

Patients usually make a good recovery after completing the treatment course and reversing the underlying immune suppression that might have predisposed them to the infection, such as AIDS or use of immunosuppressing medications.

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Questions to Ask Your Doctor About Histoplasmosis

Making notes before your visit, as well as taking along a trusted family member or friend, can help you through the first appointment with your doctor. Here are some questions about histoplasmosis.

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This content was developed in partnership with the CHEST Foundation, the philanthropic arm of the American College of Chest Physicians.

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