How long do seasonal allergies last?
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How long do seasonal allergies tend to last? I'm Dr. Manan Shah. I'm an ENT with Wyndly. Seasonal allergies tend to occur due to allergies to pollen from trees, grasses, or weeds. And so these allergy symptoms last, as long as those things are pollinating. So for trees that tends to be for about two or three months in the spring. For grasses, that tends to be for about two or three months in the summer.
And for weeds, it tends to be in the fall. And so what happens is the pollen from these trees, grasses, or weeds gets into your nasal cavity that irritates the tissue and causes inflammation. And your body responds by releasing histamine, which is what causes all of your allergy symptoms like runny nose, sneezing, itching, watery eyes.
Usually when the first frost hits your allergy symptoms should decrease because the pollen tends to go away.
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