Is it allergy or an infection?

Allergy is a phenomenon where the body’s immune system reacts against what are essentially harmless things such as dustmites, cat and dog hair, and plant pollens. Photo: AFP

The child with ‘sinus’ symptoms: what to make of confusing messages.

MANY children suffer from symptoms of the nose that recur frequently, which in our multiethinic society is variously labelled as “sinus”, “flu”, “selsema”, “shang feng”, etc.