Hay fever, also known as allergic rhinitis, is the fifth most common allergies to affect people in the United States. It can be either seasonal or perennial. Seasonal hay fever is caused during the time of the year when it the season of pollination for specific plants. Perennial hay fever can occur at any time of the year.
Different people can be allergic to different pollens, which may cause them to suffer from hay fever symptoms. Some can be allergic to tree pollens, while some can be allergic to weed or grass pollens or fungus spores. These are cases of seasonal hay fever since these pollens are present in the air only in certain seasons. People who suffer from perennial hay fever can be allergic to one or more allergens that are usually found indoors: cat or dog hair, mold, dust mites, feather and so on.
People with weak immune systems are usually susceptible to hay fever. Here are a few hay fever symptoms that may indicate the onset of hay fever:
Severe hay fever symptoms can interfere with daily routine and make it difficult to work or attend school. If the symptoms persist for a long time and do not seem to go away with over-the-counter medications, it is necessary to consult a doctor immediately.
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