Allergic rhinoconjunctivitis, triggered by allergies, refers to nose and eye issues that occur at least once weekly. When only the nose is affected, it is termed allergic rhinitis, also known as hay fever, sinus or “sensitive nose”. When only the eyes are affected, it is termed allergic conjunctivitis.
The incidence of allergies, particularly among children, is on the rise globally, especially in developed countries. In Singapore, the prevalence of allergic rhinoconjunctivitis in children up to two years old is estimated to be as high as 42%.1
Allergies generally stem from a combination of genetic and environmental factors.
In Singapore, house dust mite allergens are the most common triggers for allergic rhinoconjunctivitis. Dust mites are found indoors.
Other triggers include pollen, which is most common in temperate climates, and animal dander (a mix of dead skin cells and hair or feathers).
Having an allergy increases the chance of having another allergy, in the same person and in immediate family members. Thus, someone who has asthma, allergic rhinoconjunctivitis or eczema or has a family member with any of these conditions, is more likely to get other allergies during their lifetime.
Children with allergic rhinoconjunctivitis commonly experience:
These symptoms tend to occur at least once a week, typically in the morning and evening, but can persist throughout the whole day.
In cases where nasal issues are pronounced, some children may develop a prolonged cough or snoring. A prolonged cough can also be related to asthma. Thus, both of these conditions need to be kept in mind as possible causes of the cough in such children. Allergic rhinoconjunctivitis and asthma can coexist in the same person.
If your child is allergic to house dust mite allergens:
If your child is allergic to pet allergens:
