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A petite degree of dust, for example, may leave an otherwise sensitive person unaffected. Nevertheless, over time, as more dust mites carried on the particles enter the nasal cavities and sit in the sinuses, they release more and more material. The eventual result can be the familiar rhinitis or runny nose associated with that particular allergy. ... read more
1 or more result of all these can be sleeplessness and subsequent fatigue. Congestion, runny nose and general discomfort can build it hard to relax enough to fall asleep. Lack of rest leads to fatigue. "So, an allergen is any substance that will cause a person to experience these allergic reactions. That covers regularly of ground, regrettably."

fungal allergy symptoms - american college of allergy asthma and immunology