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Ragweed pollen is a common allergen. A single plant may produce about a billion grains of pollen per season, [ 11 ] [ 12 ] and the pollen is transported on the wind. It causes about half of all cases of pollen-associated allergic rhinitis in North America, where ragweeds are most abundant and diverse. [ 8 ]
The species name, artemisiifolia, is given because the leaves were thought to bear a resemblance to the leaves of Artemisia, the true wormwoods. It has also been called the common names: American wormwood, bitterweed, blackweed, carrot weed, hay fever weed, Roman wormwood, short ragweed, stammerwort, stickweed, tassel weed.
An estimated 90% of people with hay fever are allergic to grass pollen. Weeds: ragweed (Ambrosia), plantain , nettle/parietaria , mugwort (Artemisia Vulgaris), Fat hen (Chenopodium), and sorrel/dock ; Allergic rhinitis may also be caused by allergy to Balsam of Peru, which is in various fragrances and other products.
Ragweed will extend allergy season well into the fall, with one annoying symptom. What you need to know and how to treat the symptoms. Ragweed is why you still might struggle with allergies in the ...
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Ambrosia trifida, the giant ragweed, is a species of flowering plant in the family Asteraceae. It is native to North America , where it is widespread in Canada , the United States , and northern Mexico .
OAS must be managed in conjunction with the patient's other allergies, primarily the allergy to pollen. The symptom severity may wax and wane with the pollen levels. Published pollen counts and seasonal charts are useful but may be ineffective in cases of high wind or unusual weather, as pollen can travel hundreds of kilometers from other areas.
In Morocco, it was found that asthma caused by pollen from Poaceae accounted for 10% of the clinical respiratory diseases that patients faced. [9] The nature of how species of Poaceae grasses flower results in an increase in the time that the allergenic pollen circulates through the air, which is not favorable to people who are hypersensitive ...