The incidence of AR in children <5-years is estimated to be ~17.2%, with a peak age at diagnosis between 24- and 29-months (2.5%). Meta-analyses show the prevalence of AR is higher in boys during childhood but higher in girls during adolescence.2
Symptoms triggered by allergens
Symptoms are triggered by airborne allergens, such as pollen, dust mites, and pet dander, and may last for several hours after exposure. Symptoms can be purely seasonal (20%), or perennial (40%) depending on the sensitising...