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Allergic rhinitis

Allergic rhinitis: Introduction

Allergic rhinitis is a common chronic respiratory condition marked by sneezing and a runny and itchy nose and eyes. Allergic rhinitis is caused by breathing in microscopic particles of specific allergens, airborne substances to which an individual is sensitive or allergic. This substance is called an allergen.

In most people, microscopic particles that are in the air, such as pollen, mold, dust mites, and animal dander, cause no problems. For people with allergic rhinitis, breathing in one or more of these substances triggers an abnormal reaction of the immune system.

Normally the immune system's function is to react to potentially dangerous substances that enter the body, such as bacteria and viruses. In people with allergic rhinitis, the immune system reacts to substances that are generally harmless, such as pollen, dust mites, and animal dander. This leads to a release of chemicals, including histamine, which cause inflammation, redness and swelling of tissues and the classic symptoms of allergic rhinitis. For more information on symptoms, refer to symptoms of allergic rhinitis.

Allergic rhinitis is a common condition, affecting between 10% and 30% of all adults and as many as 40% of children, according to the American Academy of Allergy, Asthma, and Immunology. Hayfever, also referred to as seasonal allergy, is a type of allergic rhinitis. In hayfever a person is allergic to specific plant pollens that are present during particular seasons.

The severity, symptoms, and triggers of allergic rhinitis vary between individuals. People who are more likely to develop allergic rhinitis include those with a family history of allergies, being born during pollen season, being male, and exposure to smoke during infancy.

Uncomplicated allergic rhinitis is generally not a serious condition, but it can trigger or accompany serious, even life-threatening, attacks of shortness of breath and wheezing in people who also have asthma. It can also go hand-in-hand with eczema, sinusitis, and otitis media.

A diagnosis of allergic rhinitis can often be made by taking a thorough health history, including symptoms, and performing a physical exam. For some people, allergy testing (skin patch testing) may be performed. In a patch test, small amounts of common allergens are applied methodically to the skin to determine what substances are triggering an allergic response, leading to the allergic rhinitis. A complete blood count (CBC) and other blood test may also be performed.

Because the symptoms of allergic rhinitis may be similar to other conditions, such as upper respiratory infection, a misdiagnosis is possible. For information on misdiagnosis, refer to misdiagnosis of allergic rhinitis.

There is currently no cure for allergic rhinitis, but the condition can be controlled with a good treatment plan individualized to a person's medical history, the specific substances to which a person reacts, and the frequency and severity of symptoms. Treatment includes preventive measures and oral medications to control symptoms. For more information on treatment, refer to treatment of allergic rhinitis. ...more »

Allergic rhinitis: Allergic rhinitis involves inflammation of the mucous membranes of the nose, eyes, eustachian tubes, middle ear, sinuses, and pharynx. More detailed information about the symptoms, causes, and treatments of Allergic rhinitis is available below.

Allergic rhinitis: Symptoms

Symptoms of allergic rhinitis can vary greatly in intensity, frequency, and duration among individuals. Symptoms can be minimal and include mild itching and watering of the nose and eyes that goes away quickly after the allergen is no longer present.

Itching may be more moderate and include other areas, such as the mouth, skin and throat. Sneezing also frequently ...more symptoms »

Allergic rhinitis: Treatments

Allergic rhinitis is a chronic condition that is not curable. However, with a well integrated, medically monitored plan of care, symptoms can be effectively controlled, and people with allergic rhinitis can lead active, comfortable lives. A good treatment plan is individualized to a person's medical history, specific type of allergen, severity of symptoms, and other ...more treatments »

Allergic rhinitis: Misdiagnosis

A diagnosis of allergic rhinitis can be missed or delayed because in some people, symptoms, such as itchy nose and watery eyes, may be mild, not last long, or occur infrequently. In addition, the symptoms of the allergic rhinitis can be similar and easily attributed to other diseases, such as upper respiratory infection, influenza, or sinusitis. To ensure a prompt and accurate ...more misdiagnosis »

Symptoms of Allergic rhinitis

Treatments for Allergic rhinitis

  • Environmental control measures and allergen avoidance
  • Antiallergic medication(antihistamines)
  • Topical decongestants
  • Analgesics, antipyeretics
  • Immunotherapy
  • more treatments...»

Home Diagnostic Testing

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Wrongly Diagnosed with Allergic rhinitis?

Allergic rhinitis: Related Patient Stories

Allergic rhinitis: Deaths

Read more about Deaths and Allergic rhinitis.

Types of Allergic rhinitis

Allergic rhinitis: Complications

Review possible medical complications related to Allergic rhinitis:

  • Asthma exacerbations
  • It is also associated with otitis media, eustachian tube dysfunction, sinusitis, nasal polyps, allergic conjunctivitis, and atopic dermatitis
  • Allergic rhinitis may also contribute to learning difficulties, sleep disorders, and fatigue
  • more complications...»

Causes of Allergic rhinitis

  • Exposure to pollens outdoors, mold spores, specific animals, or dust while cleaning the house
  • Irritant triggers such as smoke, pollution, and strong smell
  • more causes...»

More information about causes of Allergic rhinitis:

Disease Topics Related To Allergic rhinitis

Research the causes of these diseases that are similar to, or related to, Allergic rhinitis:

Allergic rhinitis: Undiagnosed Conditions

Commonly undiagnosed diseases in related medical categories:

Misdiagnosis and Allergic rhinitis

Mild worm infections undiagnosed in children: Human worm infestations, esp. threadworm, can be overlooked in some cases, because it may cause only mild or even absent symptoms. Although the most common symptoms are anal itch (or...read more »

Sinusitis is overdiagnosed: There is a tendency to give a diagnosis of sinusitis, when the condition is really a harmless complication of another infection, such...read more »

Whooping cough often undiagnosed: Although most children in the Western world have been immunized against whooping cough (also called "pertussis"), this protection wears off after about 15 years. Thus, any...read more »

Mesenteric adenitis misdiagnosed as appendicitis in children: Because appendicitis is one of the more feared conditions for a child with abdominal pain, it can be over-diagnosed (it can, of course, also fail to be diagnosed with...read more »

Blood pressure cuffs misdiagnose hypertension in children: One known misdiagnosis issue with hyperension, arises in relation to the simple equipment used to test blood pressure. The "cuff" around the arm to measure blood pressure can...read more »

Children with migraine often misdiagnosed: A migraine often fails to be correctly diagnosed in pediatric patients. These patients are not the typical migraine...read more »

Chronic lung diseases hard to diagnose: Some of the chronic lung diseases are difficult to diagnose. Even the well-knowns conditions such as asthma or lung cancer often fail to be...read more »

Allergic rhinitis: Research Doctors & Specialists

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Hospitals & Clinics: Allergic rhinitis

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Choosing the Best Hospital: More general information, not necessarily in relation to Allergic rhinitis, on hospital performance and surgical care quality:

Allergic rhinitis: Rare Types

Rare types of diseases and disorders in related medical categories:

Latest Treatments for Allergic rhinitis

Evidence Based Medicine Research for Allergic rhinitis

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Allergic rhinitis: Animations

Research about Allergic rhinitis

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Statistics for Allergic rhinitis

Allergic rhinitis: Broader Related Topics

Allergic rhinitis Message Boards

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User Interactive Forums

Read about other experiences, ask a question about Allergic rhinitis, or answer someone else's question, on our message boards:

Definitions of Allergic rhinitis:

Seasonal variety of allergic rhinitis, marked by acute conjunctivitis with lacrimation and itching; regarded as an allergic condition triggered by specific allergens. - (Source - Diseases Database)

Rhinitis caused by an allergic reaction - (Source - WordNet 2.1)

 

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