DefinitionSkin lesions of coccidioidomycosis are a symptom of infection with the Coccidioides immitis fungus.Causes, incidence, and risk factorsCoccidioidomycosis is a fungal infection most commonly seen in the desert regions of the southwestern United States, and in Central and South America. You get it by breathing in fungal particles from soil. The infection starts in the lungs.About half of infected people have mild symptoms or no symptoms at all. Immunosuppressedindividuals, such as people with AIDS, cancer, or who've had a transplant, are at higher risk of severe, widespread (disseminated) disease.Skin rash can occur in the early stages of coccidioidomycosis (during primary lung infection). These include erythema nodosum or erythema multiforme. These rashes usually go away without tr