The reasons for suddenly getting allergic rhinitis include environmental changes, allergen stimulation, low immunity and other factors.
1. Environmental changes: environmental factors are also a major factor in allergic rhinitis. When there is a sudden change in the living environment, such as a sudden drop in temperature, change of season, environmental pollution, etc., it will lead to the activation of the body’s immune mechanism and the emergence of allergic rhinitis.
2. Contact with allergens: common allergens include food such as peanuts, soybeans, nuts, etc., inhalants such as pollen, house dust, mites, etc., and medicines such as penicillin, sulfonamide, etc. The above mentioned substances can enter into the body through the ways of ingestion, inhalation, contact injection, etc., which can cause sensitized state of the organism, and an allergic reaction can be occurred when contacting with these substances again.
3. Low immunity: When the body’s immunity is low, it is suddenly exposed to allergenic environment, which induces allergic reaction, and allergic rhinitis occurs when nasal symptoms recur or persist.
Suddenly get allergic rhinitis, should go to the hospital in time, improve the examination to clarify the allergens, give targeted treatment or treatment.