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Is it allergic rhinitis (hay fever)?

pdfASCIA PCC Is it allergic rhinitis 2015260.03 KB

Allergic rhinitis (commonly known as hay fever) affects around 1 in 5 people (children and adults) in Australia and New Zealand. Despite its common name, allergic rhinitis is not caused by hay and does not result in fever. It is caused by the nose and/or eyes coming into contact with environmental allergens, such as pollens, dust mite, moulds and animal hair. People who are sensitive to these allergens may then experience one or more of the following symptoms:

Immediate signs or symptoms

  • Runny nose
  • Rubbing of the nose
  • Itchy nose
  • Sneezing
  • Itchy, watery eyes

Obstructive signs or symptoms

  • Congested nose
  • Snoring

Whilst some of these symptoms may be similar to those caused by infection (e.g. colds and flu), allergy symptoms tend to persist unless treated appropriately.

Some patients with allergic rhinitis also have asthma. Better control of allergic rhinitis has been shown to result in better asthma control in both adults and children. Emerging evidence shows that untreated allergic rhinitis can increase the risk of developing asthma.

Symptoms range from mild or moderate (i.e. does not affect day to day function) to severe (affects day to day function). Symptoms may occur in a particular season (usually due to allergies to grass, weed or tree pollens) or are persistent and present all year round (usually caused by allergies to house dust mites, moulds or animal hairs). Allergic rhinitis is not caused by a food allergy.

Complications of allergic rhinitis may include:

  • Sleep disturbance
  • Daytime tiredness
  • Headaches
  • Poor concentration
  • Recurrent ear infections in children
  • Recurrent sinus infections in adults
  • Asthma which is more difficult to control

Allergy testing

If you suffer from allergic rhinitis, particularly if it is persistent, or affects your day-to-day function, discuss treatment options with your doctor. A referral to a clinical immunology/allergy specialist may be required for further assessment including allergy testing. Further information on allergy testing is available on the ASCIA website: www.allergy.org.au/patients/information

Treatment options – Aeroallergen minimisation

If it is possible to confirm the allergen(s) causing the allergic rhinitis, then minimising exposure to the allergen(s) may reduce symptoms. Further information on allergen minimisation is available on the ASCIA website: www.allergy.org.au/patients/information

Treatment options - Medications

Seek advice from your pharmacist or doctor about medications or treatments that will relieve your symptoms. Although medications do not cure allergies, they are much more effective with fewer side effects than medications available 20 years ago. You just need to know the best way to use them, and to avoid medicines that can cause more problems than they solve, like frequent decongestant (unblocking) nose sprays or tablets.

  • Antihistamine tablets or syrups (non-sedating) help to reduce symptoms (sneezing, itchy and irritating eyes), but they are not as effective in controlling severe nasal blockage and dribble. The advantage of antihistamines is their flexibility; you can take them when you have problems, and avoid them when you are well. Antihistamine eye drops can also be helpful in controlling watery eyes due to allergies.
  • Intranasal corticosteroid nasal sprays (INCS) have a potent action on inflammation when used regularly (like asthma preventer medications). These need to be used regularly and with careful attention to the way in which they are used. Different brands of INCS vary in strength and effectiveness, so it is important to read the labels and check details with your doctor or pharmacist.
  • Combination medications containing an antihistamine and intranasal corticosteroid nasal spray are available and offer the combined advantages of both medications.
  • Decongestant sprays unblock and dry the nose, but should not be used for more than a few days as they can cause long term problems in the nose
  • Decongestant tablets unblock and dry the nose, but should be used with caution as they can have 'stimulant' side effects like tremors, trouble sleeping, anxiety or an increase in blood pressure. People with high blood pressure should not take this medication.
  • Combination medications containing an antihistamine and decongestant are also available, but these need to be used with caution as the decongestants can cause many side effects.
  • Natural products such as salt water nasal sprays or douches can be effective in relieving symptoms.

Treatment options – Allergen immunotherapy

This is also known as desensitisation. It involves the administration of regular, gradually increasing amounts of allergen extracts, by injections or by sublingual drops or tablets (under the tongue). Treatment is usually for 3-5 years and is typically offered for individuals > 5 years of age with severe allergic rhinitis. The therapy reduces the severity of symptoms and/or the need for regular medications. Immunotherapy is long term treatment that should be initiated by a clinical immunology/allergy specialist.

Further information on allergic rhinitis and allergen immunotherapy is available from the ASCIA website: www.allergy.org.au/patients/information

 

© ASCIA 2015

The Australasian Society of Clinical Immunology and Allergy (ASCIA) is the peak professional body of Clinical Immunologists and Allergists in Australia and New Zealand.

Website: www.allergy.org.au
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
Postal address: PO Box 450 Balgowlah NSW 2093 Australia

Disclaimer
This document has been developed and peer reviewed by ASCIA members and is based on expert opinion and the available published literature at the time of review. Information contained in this document is not intended to replace medical advice and any questions regarding a medical diagnosis or treatment should be directed to a medical practitioner.
The development of this document is not funded by any commercial sources and is not influenced by commercial organisations.

Content last updated July 2015

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