What Causes A Runny Nose Allergies: sensitivity to common allergens like pollen or pet dander can cause chronic runny nose as well as itchy eyes and throat. cold temperature: winter weather is often dry and cold, and mucus production is your body's natural protection again this harsh air. A runny nose happens due to an increase in the production of nasal mucus. while a runny nose can have many causes, it often occurs due to inflammation of the tissues inside your nose.
What Causes A Running Nose And How To Help New Health Advisor Rhinorrhea (runny nose) is mucus (snot) dripping or “running” out of your nose. it has several possible causes, such as cold and or dry air, allergies or the common cold. a related condition is rhinitis. rhinitis is the inflammation of your nasal tissues. the consistency and color of the mucus that runs out of your nose can vary. Leopatrizi istock. also known as: hay fever and allergic rhinitis allergic reactions often cause a runny nose.it may happen most often in the spring or fall. with allergies, the runny nose comes from your body's inflammatory response to pollen, spores, mold, or other allergens in the air. when you inhale an allergen, your immune system soun. Temperature. 3. nasal polyps. nasal polyps are benign (noncancerous) growths in the lining of your nose or sinuses. “nasal polyps can cause increased mucus production in the nose,” says dr. Anything that irritates the inside of the nose can cause a runny nose. infections — such as colds, flu or sinusitis — and allergies often cause runny and stuffy noses. some people have noses that run all the time without a known reason. this is called nonallergic rhinitis or vasomotor rhinitis.
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