How can regulatory agencies facilitate the development of safe and effective allergy treatments?

Common Seasonal Allergy Triggers · Tree, grass and ragweed pollens thrive during cool nights and warm days. · Molds grow quickly in heat and high humidity. Learn how your allergies can cause sinus pain and congestion, and what steps you can take to relieve sinus and allergy symptoms. Woman with seasonal allergies ... Allergies. Allergy symptoms range from mild to severe and can occur seasonally or be present year-long. In patients with asthma, allergies can cause a cough ... Apr 24, 2024 ... We identified a clear nonlinear positive association between pollen exposure and ocular and nasal symptom severity in the pollen allergy group. Seasonal allergies can cause congestion; a runny, itchy nose; watery eyes, headaches and more for weeks or months at a time. Mar 21, 2023 ... Tree pollens, grass pollens, and weed pollens are the most common causes of seasonal allergies. With the beautiful forests of Central Virginia, pollination ... It's the release of these chemicals that causes allergy symptoms. People can be allergic to one or more types of pollen. The type someone is allergic to ... Mar 20, 2025 ... Seasonal allergies, also known as hay fever, occur when your immune system reacts to airborne allergens like pollen, mistaking them for harmful ... People may react to one or more pollens, so their pollen allergy season may be from early spring to late fall. Seasonal allergy is also caused by mold spores, ... Learn about the causes, symptoms, and treatment options for allergies in ... Inherited forms: atopy or seasonal allergies. What is flea or insect bite ...