What are the triggers for non-allergic rhinitis?

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 18, 2025 ... Tree pollen is often the cause of most spring allergy symptoms, according to NC State professor Robert Bardon. Pollen (seasonal allergies). Symptoms and Causes. Symptoms of allergies. Allergies can cause a range of symptoms, including: Skin rash or hives · Itchy skin ... Apr 24, 2024 ... We identified a clear nonlinear positive association between pollen exposure and ocular and nasal symptom severity in the pollen allergy group. May 23, 2021 ... Spring allergies can be caused by tree pollen and mold spores. The best treatment depends upon your symptoms. Over-the-counter nasal sprays, ... A seasonal allergy is a result of coming into contact with something that you're allergic to that's only around during a specific time of the year. ... allergens that cause inflammation driven by type 2 helper (Th2) cells. ... [7] Seasonal allergic rhinitis seems to be more common in the pediatric age ... Apr 17, 2019 ... Seasonal allergies are caused by pollen, most notably when trees, grass and weeds start to bloom. 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 ... Feb 24, 2021 ... If left untreated, seasonal allergy symptoms can have serious effects on the health of your loved ones as well, causing asthma attacks, fatigue, ...