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Causes of Allergic Rhinitis

Learn about the diverse causes of allergic rhinitis, from pollen to pet dander, and find practical solutions for managing symptoms and reducing triggers.

  • 13 Feb 2024
  • 2 min read

The leading cause of allergic rhinitis is a reaction by the immune system to specific allergens. These allergens, which include mould spores, dust mites, pollen, and pet dander, inflame the nasal passageways, resulting in symptoms including runny nose, congestion, itching, and sneezing. When the immune system interprets these mild molecules as dangerous, it releases molecules that cause irritating symptoms of allergic rhinitis. To manage and stop its onset, it is essential to understand these triggers.


What are the causes of Allergic Rhinitis?

The body's response to several allergens causes allergic rhinitis, sometimes referred to as hay fever. It is an allergic reaction. The following are some main causes of allergic rhinitis:


  • The main cause of symptoms like runny nose and sneezing throughout the seasons is pollen from grass, weeds, and trees. 

  • Allergies are brought on by home dust mites, which are tiny creatures found in household dust. Dust or hair from pets like dogs and cats can trigger allergic rhinitis. 
  • For many people, mould which is frequently present in moist indoor environments can cause major allergy. 
  • Allergy rhinitis can also be brought on by exposure to wood dust, wheat dust, and leather at work.
  • A family history of allergies, such as asthma or eczema, increases the risk of acquiring allergies, including hay fever.
  • These hereditary traits have the potential to increase an individual's sensitivity to allergens, which may lead to the development of allergic rhinitis symptoms when exposed to triggers.

Also read:


To effectively manage allergic rhinitis, it is essential to identify common causes of allergic rhinitis, so as to mitigate recurrences and provide required treatment. Knowledge of linked diseases and family history is also essential to manage associated risks.

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