Valley Fever Center for Excellence

Coccidioidomycosis

"Leading the world in best medical practices, education and research for Valley Fever."

 

Range Of Cases

Range of Cases
  • Not apparent - 60%
  • Mild to Moderate - 30%
  • Complications - 5% to 10%
  • Fatal - less than 1%

The usual course of disease in otherwise healthy people is complete recovery within six months. In most cases, the body's immune response is effective and no specific course of treatment is necessary. About five percent of cases of Valley Fever pneumonia (infection of the lungs) result in the development of nodules in the lung. These are small residual patches of infection that generally appear as solitary lesions, typically one to one and a half inches in diameter, and often produce no symptoms. On a chest x-ray, these nodules resemble lung cancer. Unfortunately, it is usually not possible to make a definite diagnosis without removing a part or the entire nodule by bronchoscopy, needle-aspiration or surgery.

Another five percent of patients develop lung cavities after their initial infection with Valley Fever. These cavities occur most often in older adults, usually without symptoms, and about 50% of them disappear within two years. Occasionally, these cavities rupture, causing chest pain and difficulty breathing, and require surgical repair.






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