Allergies Or Cold with preview about 12+ Pictures. When you're exposed to an allergy trigger, known as an allergen, your immune system releases chemicals called histamines. A runny nose and sneezing won't tell you whether you have a cold or allergies, because they can be signs of either condition.
How You Can Tell The Difference Between Allergies Cold Flu And Covid 19 Hartford Healthcare from healthnewshub.org The common cold typically lasts 7 to 10 days whereas allergies can last for much longer, especially when it is springtime. Allergies are caused by your immune system overreacting to normal things in your environment — such as pollen, dust, mold, pet dander — and are not contagious. A runny nose and sneezing won't tell you whether you have a cold or allergies, because they can be signs of either condition.
This release of histamines is what causes allergy symptoms.
Allergies do not cause fevers in children, explains dr. Colds and allergies do share similar symptoms. An allergy, the common cold, the flu, and other infections can cause a sore throat. For some reason, your body mistakes harmless things, such as dust or pollen, for germs and mounts an attack on.
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