Mold and yeast are two groups of plants in the fungus family. Both groups can cause allergic reactions. Fungal spores can circulate in the air and may cause allergic rhinitis when inhaled.
Reviewed last on: 5/25/2009
Stuart I. Henochowicz, MD, FACP, Associate Clinical Professor of Medicine, Division of Allergy, Immunology, and Rheumatology, Georgetown University Medical School. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.