Risk factorsBy Mayo Clinic Staff
The chances of developing histoplasmosis symptoms increase with the number of spores you inhale. Professions with a higher likelihood of spore exposure include:
- Pest control workers
- Poultry keepers
- Construction workers
- Landscapers and gardeners
- Cave explorers
Most at risk of severe infection
Very young children and older adults have weaker immune systems, so they're more likely to develop disseminated histoplasmosis — the most serious form of the disease. Other factors that can weaken your immune system include:
Jan. 08, 2015
- HIV or AIDS
- Intensive cancer chemotherapy
- Corticosteroid drugs, such as prednisone
- TNF inhibitors, often used to control rheumatoid arthritis
- Medications that prevent rejection of organ transplants
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