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   Can hay fever cause a cold?

   • 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).

   Hay fever - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/hay-fever/symptoms-causes/syc-20373039

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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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   Is hay fever contagious?

   • Symptoms of hay fever include sneezing, nasal congestion and irritation of your nose, throat, mouth and eyes. Allergic rhinitis isn’t the same as infectious rhinitis, otherwise known as the common cold. Hay fever isn’t contagious. Also, not all rhinitis is allergic. Many people suffer from nonallergic rhinitis resulting in similar symptoms.

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

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

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   Is hay fever a cross-reacting substance?

   • There are many cross-reacting substances. 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).

   Allergic rhinitis - Wikipedia

   en.wikipedia.org/wiki/Allergic_rhinitis

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

   en.wikipedia.org › wiki › Allergic_rhinitis

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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

   www.mayoclinic.org › diseases-conditions › hay-fever

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   Jul 7, 2022 · 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

   my.clevelandclinic.org › health › diseases

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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. en.wikipedia.org › wiki › RhinitisRhinitis - Wikipedia

   en.wikipedia.org › wiki › Rhinitis

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   Allergic rhinitis or hay fever may follow when an allergen such as pollen, dust, or Balsam of Peru is inhaled by an individual with a sensitized immune system, triggering antibody production. These antibodies mostly bind to mast cells , which contain histamine .

   • Other names: Coryza

   • Pronunciation: .mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}, rhinitis /raɪˈnaɪtɪs/, coryza /kəˈraɪzə/

6. www.mayoclinic.org › diseases-conditions › hay-feverHay fever - Diagnosis and treatment - Mayo Clinic

   www.mayoclinic.org › diseases-conditions › hay-fever

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   Jul 7, 2022 · Hay fever - Diagnosis and treatment - Mayo Clinic. Diagnosis. Positive reaction to allergy test Enlarge image. To diagnose hay fever, your health care provider typically does a physical exam and talks about your health, symptoms and possible triggers. Your provider may recommend one or both of these tests: Skin prick test.

7. www.wikiwand.com › en › Allergic_rhinitisAllergic rhinitis - Wikiwand

   www.wikiwand.com › en › Allergic_rhinitis

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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. The fluid from the nose is usually clear.