Some Facts Pollens and mold can trigger seasonal allergic rhinitis, commonly called hay fever. More than 36 million people in the United States alone suffer from seasonal allergic rhinitis, which causes more than eight million physician visits yearly for various troublesome symptoms. An allergy is an abnormal reaction to an ordinarily harmless substance, such as pollen or mold. Depending on the allergen and where it enters your body, you may experience different symptoms. Allergy to foods usually causes stomach or bowel problems, and may cause hives.
Allergic reactions can involve several parts of the body at the same time.
It causes your nose to run and itch and violent sneezing may occur. Your eyes may also start to water and you may get a sore throat. Not all asthma is caused by allergy, but in many cases allergy plays a part. However, foods which are most commonly associated with allergy include peanuts, seafood, dairy products and eggs. Cow milk allergy in infants may occur and can cause eczema, asthma, colic and stomach upset.