synonymDust allergy(Dust allergy) Generally refers to dust allergy
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Dust allergy andpollen hypersensitivitySimilarly, it belongs to inhalation allergy.When people with dust allergy inhale dust, they will have allergic symptoms, such as itchy nose, itchy skin, itchy eyes, asthma and cough.
Chinese name
Dust allergy
Foreign name
Dust allergy
Genus
Inhalation allergy
Symptoms
Itchy nose, itchy skin, etc
Prevention
Desensitization drugs such as diphenhydramine, Sismin, etc
The easiest way to avoid allergies is to stay awayAllergen——Dust.Try to avoid direct contact with dust and take desensitizing drugs, such asdiphenhydramine、SisminIn case of skin itching, body fever, cough and shortness of breath, leave here quickly.Once asthma symptoms appear, you should go to the hospital for treatment in time.
Dust classification
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Dust can be classified according to many characteristicsAir pollution controlAccording to the size of dust particles in the atmosphere, it can be divided into:
1、Floating dust, refers to the solid particles with the particle size less than 10 μ m in the atmosphere, which can stay in the atmosphere for a long timeMicrocomputer laser dust meter
Medium floating, sometimes called floating dust.Also known asInhalable particles, English abbreviation isPM10。
2、fallen dustIt refers to the solid particles with a particle size greater than 10 μ m in the atmosphere, which can settle to the ground in a short time under the action of gravity.
1. Powder: fine particles of solid matter, called particles, whileSolid particleIs called powder.
2. Dust: fine particles generated by mechanical processes (crushing, screening, transportation, etc.), solid particles that can disperse (suspend) in the gas for a certain time, called dust.The particle size of dust ranges from fine to 1/10μmTo hundreds of microns.
3. Soot: Fine solid particles produced by physical and chemical processes, called soot.E.g. smelting, combustionMetal weldingDuring the process, due to sublimation and condensation, the soot is characterized by fine particle size, which is less than 1 μ m.
4. Smoke: Black smoke generated by burning grass, firewood, oil, coal, etc. is called smoke.The smoke particle size is very fine, even below 0.5 μ m.
5. Powder: powder in process production, called powder.
preventive measure
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Do not stay outdoors for a long time:Try to stay outdoors as little as possible during the day, especially when the pollen index is high every day, such as in the evening on sunny days.When doing outdoor activities and various sports, try to choose the time with the lowest pollen index, such as early morning, late night, or after a shower.
wear glasses:Wearing glasses can reduce the chance of your eyes being affected, so you may as well use glasses with lenses insteadcontact lensesOr wear sunglasses when going out.
change one's clothes:If you go out when the pollen index is high, remember to change into clean clothes when you come back.
Close doors and windows:Close doors and windows during the day to prevent pollen flying.
Avoid allergy season:If possible, try to arrange the holiday in your hay hot season, and take the opportunity to avoid it.It is advisable to consider the seaside holiday, because the sea breeze will make the air almost free of pollen, or consider choosing one withoutEvoked factorA holiday in a country that can cause you allergies.Do not dry clothes outdoors. Try to dry clothes indoors (usedryerBetter), do not hang clothes outdoors, otherwise clothes, sheets, bed sheets, etc. are easy to be contaminated with pollen.
Install the on-board filter:Consider buying a carAir filter。If you are considering buying a new car, you might as well buy a car that already supports pollen filtering devices in the air conditioning equipment.This kind of small filter has become more and more common, not only for luxury vehicles, but also for cars.
Avoid pollutants:Avoid all things that can aggravate your symptoms, such as dust and various smells on the road.
