Seasonal Allergies: Causes and Symptoms

Don’t let seasonal allergies hold you back

Allergy season is different for everyone. That’s because different kinds of outdoor allergens — or irritants — get distributed into the air year-round. So your seasonal allergies happen from exposure to whatever pollen is being released by the local grass, trees, mould spores, and ragweed whenever that occurs.1

Outdoor mould allergies

Mould thrives in many environments, both indoors and outdoors. They flourish in damp, humid dwellings. Symptoms include2

  •   Itchy nose or throat
  •   Itchy, watery eyes
  •   Stuffy or runny nose

Pollen allergies

Many Australians suffer through allergy symptoms due to exposure to tree, grass and weed pollen. Symptoms include3:

  •   Sneezing
  •   Nasal congestion
  •   Runny nose
  •   Watery eyes
  •   Itchy throat or eyes

Ragweed allergies

Ragweed allergies are a specific type of pollen allergy. Ragweed is a plant that is native to America, but now grows along the coast of NSW and in the Northern Tablelands. Ragweed produces up to a billion pollen grains per plant and is responsible for a significant amount of allergic responses in people who live within areas that ragweed grows.4

Avoid bringing pollen into your home by removing clothes that you’ve worn outdoors and washing them right away. 

Symptoms of ragweed allergies include5:

  • Sneezing
  •  Itchy nose or throat
  •  Itchy eyes
  •  Stuffy or runny nose

Tips to Minimise Seasonal Allergies

Here are some tips to minimize seasonal allergies.1

  • Stay indoors when the pollen count is high
  • Keep windows closed
  • Use an air conditioner
  • Save outdoor activities for late afternoon
  • Avoid gardening when your allergies are active
  • Wear a face mask, when you work outdoors
  • Keep pollen out of your eyes with wraparound glasses
  • Keep grass well-trimmed
  • Remove pollen from your skin and hair by rinsing after being outside


If you experience sneezing, runny nose, itchy, watery eyes or an itchy nose or throat, nasal congestion, sinus congestion and pressure, or swelling of nasal passages, Telfast products may be able to help. Now you can live your greatness — during any season.​​​​​​​

How to know if you have a dust allergy

Dust allergies are especially common in people who have a sensitivity to house dust mites.

Learn more

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