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Allergic Rhinitis: All you need to know

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Written By: Dr Anitha Anchan | Updated : May 30, 2014 6:26 PM IST

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Allergic rhinitis 3What is Allergic Rhinitis?

Allergic rhinitis is a collection of symptoms occurring mostly in the nose and eyes. It occurs when you breathe in something you are allergic to (allergens) such as dust, pollen, insect venom, etc. It may be defined as inflammation of the nasal airways. If it is due to outdoor triggers, such as pollen, it is called hay fever. It occurs when your immune system overreacts to particles in the air that you breathe causing symptoms such as sneezing and a runny nose.

If you have allergies, you will usually have symptoms for many years. You may have symptoms at certain times of the year or often during the year. Over time, allergens may affect you less. Your symptoms may not be as severe as they used to be.

What are the different types of Allergic Rhinitis?

Allergic Rhinitis can be classified according to:

  1. How often a person has it and how severe it is:
  • Intermittent have symptoms fewer than 4 days a week or fewer than 4 weeks a year.
  • Persistent - have symptoms 4 or more days a week and 4 or more weeks a year.
  • Mild - symptoms that do not bother you a lot i.e. they do not affect your daily activities, sleep and work or school.
  • Moderate to severe if your symptoms

    • Interfere with your sleep
    • Make daily activities or work or school difficult
    • Bother you a lot

2. The kind of allergens a person reacted to and when the reactions occurred:

  • Seasonal Allergic Rhinitis (SAR): Occurs at the same time each year and is often called hay fever. The most common allergens are windblown pollens from trees, grasses or weeds. The symptoms usually occur when certain plants are in bloom. Some types of mold occur seasonally causing similar symptoms.
  • Perennial Allergic Rhinitis (PAR): A perennial (year-round) allergy. Occurs any time during the year. The symptoms of a year-round allergy may be more severe in winter. The most common causes of this type of allergy are dust mites, animal dandruff, cockroaches or mold.
  • Occupational Allergic Rhinitis (OAR): Caused by an allergic reaction to a substance present in the workplace (e.g. grain, wood dust, chemicals or lab animals).

What happens in my body during Allergic Rhinitis?

An allergen is something that triggers an allergy. When you are exposed to an allergen for the first time, your body's immune system recognizes the allergen as a foreign substance. Your body reacts by making antibodies against the allergen. The next time you are exposed to the allergen, the antibodies attack it and release chemicals, including histamine that causes your allergy symptoms. This is called sensitization. In hay fever there is allergic reaction to pollen.

What are the causes of Allergic Rhinitis? What time of the year am I prone to Allergic Rhinitis?

Some of the allergens that cause allergic rhinitis are dust mites, animal dandruff, cockroaches, and mold. Things in the workplace such as cereal grain, wood dust, chemicals or lab animals can also cause allergic rhinitis.

Common causes for Perennial Allergic Rhinitis (PAR) include:

  • Indoor fungi
  • Animal dandruff, the most important being cat's. Dandruff from rodents, rabbits, dogs, and birds can cause rhinitis.
  • Dust mites
  • Other insects (esp. cockroach, gypsy moths , spiders, ladybugs and beetles)

Common causes for Seasonal Allergic Rhinitis (SAR) include:

  • Tree pollens - symptoms in winter and spring
  • Grass and weed pollens symptoms in summer
  • Ragweed symptoms in late summer and autumn

Many people with allergies are very sensitive to strong scented products. Incense burning during prayers (puja) and Indian rituals (havan) emits smoke containing particulate matter, gas products and other organic compounds and causes air pollution, airway disease and health problems. However, several conflicting reports have also been documented. Some studies have found that there was no association between exposure to incense burning and respiratory symptoms like chronic cough, chronic bronchitis, runny nose, wheezing, asthma, allergic rhinitis, etc. According to Hindu Vedic practices, the smoke that rises from a receptacle (havan kund) during homa contains a powerful healing energy.

What are my chances of getting Allergic Rhinitis? What are the risk factors for Allergic Rhinitis?

The following factors increase your chances of getting allergic rhinitis:

  • Genes - Family history of allergies. A child is more likely to have an allergy if both parents have an allergy.
  • Environment - Exposure to indoor allergens and pollens or molds.
  • If you already suffer from eczema or asthma, you have greater chances of having allergic rhinitis.

What are the symptoms of Allergic Rhinitis?

Symptoms that occur immediately after you come into contact with the allergen may include:

  • Itchy nose, mouth, eyes, throat, skin, etc.
  • Problems with smell sensation
  • Runny nose - drainage from a runny nose caused by allergies is usually clear and thin.
  • Sneezing
  • Watery eyes

Symptoms that may develop later are:

  • Stuffy nose (nasal congestion)
  • Cough
  • Clogged ears
  • Decreased sense of smell
  • Sore throat
  • Puffiness and dark circles under the eyes
  • Fatigue and irritability
  • Headache

Diagnosis and treatment of Allergic Rhinitis

Alternative treatments and preventive measures for Allergic Rhinitis

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Dr Anitha Anchan

Dr Anitha Anchan

Dr Anitha Anchan is a qualified dentist, health conscious mom and wife with a very curious mind. When she is not in her kitchen trying to invent ingenious healthy recipes for her family, she is usually busy 'googling' and reading about the latest developments in ... Read More