The first peak of pollen concentration is from the middle and late March to the middle and late May every year.
Many people think it's the beautiful flowers that cause allergies. in fact,The culprit of pollen allergy may not be flowers, but trees.
Experts said that pollen allergy, also known as pollinosis, refers to a series of clinical symptoms, mainly allergic rhinoconjunctivitis and asthma, caused by patients with specific genetic quality after inhaling sensitized pollen. In short,Pollen allergy needs two preconditions, that is, it is an allergic constitution, plus allergens, that is, pollen.
The occurrence time of pollen allergy is related to the growth cycle of trees,In spring, the main allergic plants are poplar, willow, elm, cypress and ash. Recently, most of the patients with severe allergy are allergic to cypress.
The reason why pollen can cause human allergy is that pollen particles carry antigenic determinants which can cause allergy. Typical clinical symptoms of pollen allergy include sneezing, clear water like nasal discharge, itching of nose, eyes, ears and palate, and can be accompanied by dyspnea, urticaria and eczema.
Experts stressed that people with pollen allergy can choose to use anti allergy drugs two weeks before the arrival of pollen period. This can delay the onset of symptoms,And these drugs can be used until the end of the pollen phase, including the whole process of prevention and treatment.
It should be noted that whether it is pollen allergy or other allergies, when the symptoms appear, the first thing to do is to go to the hospital for allergen blood test. After determining whether the allergy and allergen, the doctor can determine how to use the drug and how to treat it according to the specific situation of the patient.
- THE END -
Reprint please indicate the source: fast technology