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What causes allergy?

5 common allergens you should know about

An allergic reaction strikes when your body encounters certain allergens. This can occur whenever the allergen is breathed in, ingested or comes into contact with your skin. Here’s a rundown of the most common allergens in Singapore:

Dust mites
These microscopic bugs lurk by the millions in your beddings, mattresses, upholstery, carpets and curtains. A single dust mite excretes about 20 faecal droppings a day, each containing proteins that trigger allergies. A study has shown that approximately 80% of Singaporean adults are allergic to dust mites—making them the main culprit behind allergy attacks in Singapore.1

Haze, dust and smoke
Haze is a recurring problem every year, particularly between May and October. Haze is an accumulation of dust, smoke, exhaust and other harmful particles that can trigger allergy attacks.

Pet fur
Your pet may be cute and cuddly, but if you have allergies, it can be your worst enemy. Pet fur collects dander (dead skin cells), urine or saliva, all of which cause allergic symptoms.

Carpet fibre
Your soft, warm carpet at home is the perfect breeding ground for dust mites. The fibres also trap other allergens such as pet fur, dust and fungus.

The humid weather in Singapore promotes the growth of mould. Upsetting a mould source causes it to release spores into the air, which when inhaled cause allergic reactions.


  1. "Dust mites the culprit behind allergies in S'pore: Study." TODAYonline. - http://www.todayonline.com/singapore/dust-mites-culprit-behind-allergies-spore-study (Accessed 16 March 2017)

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