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   Is hay fever a true fever?

   • Hay fever is not a true fever, meaning it does not cause a core body temperature in the fever over 37.5–38.3 °C (99.5–100.9 °F). [citation needed] Pollen is often considered as a cause of allergic rhinitis, hence called hay fever (See sub-section below). Predisposing factors to allergic rhinitis include eczema (atopic dermatitis) and asthma.

   Allergic rhinitis - Wikipedia

   en.wikipedia.org/wiki/Allergic_rhinitis

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   How long does hay fever last?

   • Hay fever lasts for as long as you are exposed to the allergens, typically several weeks. Colds usually last just three to seven days. Hay fever produces a runny nose with a thin, watery discharge. Colds cause a runny nose with thicker discharge that may be yellow in color. Hay fever does not cause a fever. Colds typically cause a low-grade fever.

   Hay Fever Symptoms: Triggers, Complications, and Treatment - Healthline

   www.healthline.com/health/hay-fever-symptoms

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   Can you have hay fever all year round?

   • You can have hay fever any time of the year. Seasonal allergies occur in the spring, summer and early fall when trees and weeds bloom and pollen counts are higher. But pollen seasons can vary depending on your location, as well. Perennial allergies can happen year-round.

   Allergic Rhinitis (Hay Fever): Symptoms & Treatment - Cleveland Clinic

   my.clevelandclinic.org/health/diseases/8622-allergic-rhinitis-hay-fever

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2. en.wikipedia.org › wiki › Allergic_rhinitisAllergic rhinitis - Wikipedia

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   Allergic rhinitis, of which the seasonal type is called hay fever, is a type of inflammation in the nose that occurs when the immune system overreacts to allergens in the air. Signs and symptoms include a runny or stuffy nose, sneezing , red, itchy, and watery eyes, and swelling around the eyes. [1]

3. www.mayoclinic.org › diseases-conditions › hay-feverHay fever - Symptoms and causes - Mayo Clinic

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   Jul 7, 2022 · Overview. Hay fever, also called allergic rhinitis, causes cold-like symptoms. These may include a runny nose, itchy eyes, congestion, sneezing and sinus pressure. But unlike a cold, hay fever isn't caused by a virus. Hay fever is caused by an allergic response to a harmless outdoor or indoor substance the body identifies as harmful (allergen).

4. my.clevelandclinic.org › health › diseasesAllergic Rhinitis (Hay Fever) - Cleveland Clinic

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   Sep 21, 2023 · Allergic rhinitis, also called hay fever, is an allergic reaction that causes sneezing, congestion, itchy nose and watery eyes. Pollen, pet dander, mold and insects can lead to hay fever symptoms. Hay fever can make you feel awful, but you can find relief with lifestyle changes, allergy medications and immunotherapy (allergy shots).

5. acaai.org › allergies › allergic-conditionsHay Fever (Rhinitis) | Symptoms & Treatment | ACAAI Public ...

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   Allergic rhinitis is sometimes called “hay fever,” especially when caused by seasonal allergens. Hay fever shares many of the same symptoms as a common cold but is not caused by a virus or bacteria. Instead, it is caused by your immune system reacting to allergens you breath into your body.

6. www.healthline.com › health › hay-fever-symptomsHay Fever Symptoms: Triggers, Complications, and Treatment

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   In children. Complications. Causes. Triggers. Irritants. See a doctor. Treatment. What is hay fever? Hay fever is a common condition that affects close to 18 million Americans, according to...

7. www.webmd.com › allergies › understanding-hay-feverHay Fever (Allergic Rhinitis): Causes of Seasonal Allergies

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   Jun 6, 2023 · 6 min read. What Is Hay Fever? Hay fever is an allergic reaction to certain things. Common triggers include pollen, ragweed, and cats. Also known as allergic rhinitis, there are two...

8. simple.wikipedia.org › wiki › Allergic_rhinitisAllergic rhinitis - Simple English Wikipedia, the free ...

   simple.wikipedia.org › wiki › Allergic_rhinitis

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   Allergic rhinitis (also known as hay fever or pollinosis) is a type of inflammation in the nose. It occurs when the immune system overreacts to allergens in the air. [1] . Symptoms include sneezing, red, itchy and watery eyes, and swelling around the eyes. Allergens that often cause hay fever include pollen, pet hair and mold. [2]