What are the Signs of an allergy?

Frequent sneezing, watery eyes and cold-like symptoms,  A crease above the tip of the nose caused by regular upward wiping of the nose (allergic salute), Coughing, wheezing and other asthma symptom, Dark circles under your eyes as a result of increased blood flow to the sinuses.

What are the more common things which causes Allergy and asthma?

Dust, Tobacco smoke, pollen, Air pollutants, weather, Heard exercise, stress, pets etc

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