Is it easy to be allergic in spring? What are the specific allergic phenomena?

In the north, why is it easy to be allergic in spring?

pollen

Flowers are in full bloom in spring. If you choose to go for an outing, you must choose a place with many flowers. At this time, pollen can be said to be flying all over the sky, and the air is full of pollen, which will flow with the air. Once touched by our skin, some sensitive skin will be directly allergic.

dust

When spring comes, many people will start cleaning, and at this time, dust will fly all over the sky, because when cleaning, dust will definitely fly around, and there will be some bacteria in the dust. When these bacteria come into contact with the skin, they will directly cause allergies.

Seasonal fluctuation

Because of the change of seasons, allergic substances such as pollen and bacterial spores will be directly scattered in the air, and these substances will be directly distributed in every exposed skin position of the human body, which will make the skin allergic and lead to itchy skin.

Changes in temperature

Everyone has different skin characteristics. Some people have sensitive skin. When the weather changes, such as hot and cold, it will make sensitive people look hot and red, and sometimes it will directly cause allergies.