chronic or indolent invasive fungal sinusitis, (3) fungus ball (mycetoma), and (4) allergic fungal sinusitis. Each type of infection has its own distinct presentation and therapy.

Dr. Ransom is a graduate of the University of Iowa College of Medicine (1962) and was certified by the American Board of Allergy and Immunology in 1974. He is a Fellow of the American College of ...

Ren. A persistent virus can also devolve into a secondary infection, like a sinus infection—your nose may continue to run, and on top of it you could experience persistent congestion ...