Primary Care Dermatology Module. Nomenclature of Skin Lesions. Developed by Gary Williams, M.D. and Murray Katcher, M.D. Ph.D, Department of Pediatrics. with funding and support from the Wisconsin Area Health Education Center (AHEC) System.
A Discovery Health answered. The Food and Drug Administration estimates that there are approximately 36 million people in the United States who suffer from seasonal allergies. This condition is also called by its common name of hay fever, or, by its technical name, allergic rhinitis. While it may provide little comfort, the pollen that you are reacting to is actually harmless. The runny noses, scratchy eyes and headaches you endure actually result from a case of mistaken identity. Your body believes that the pollen in the air is actually dust mites or fungal spores. In response, it releases histamine-a natural chemical that is part of the body's immune system response.
Symptoms & Types. Learn the types of allergies including food allergies, seasonal allergies, pet allergies, and many more. Respiratory Allergies. Spring Allergies There's no cure but you can take steps to curb springtime allergies, from medication to household habits. Summer Allergies Summer allergies are usually triggered by pollen from grasses and weeds. Fall Allergies Ragweed, mold and dust mites are the biggest allergy triggers in the fall. Winter Allergies If you have indoor allergies such as mold and dust mites, you may notice symptoms more during winter, when you spend more time inside. Hay Fever Hay fever, also known as allergic rhinitis, is an immune disorder characterized by an allergic response to pollen grains and other substances.