A 24 hour non-drowsy antihistamine which relieves symptoms caused by allergies in children as young as 6 months, up to adults. Available in syrup and tablet form.  Find out more >


The substance that triggers an allergic response. Common allergens include dust, pollen, animal dander from cats and dogs, mould and certain foods. Find out more >


Any substance that can stimulate the production of antibodies and combine specifically with them. Find out more >


Describes drug treatments used to reduce histamine – the major cause of allergy symptoms – and its effects on the body. AERIUS is a non-drowsy 24 hour anti-histamine.


An acute allergic reaction, which constitutes a medical emergency. Normal allergic symptoms are severely magnified, most dangerously - the restriction of airways.


A protein found in animal sweat and saliva that triggers allergies. Very light, it can remain airborne for hours after the animal has departed and may be carried to other destinations by pet owners.

Dust mites

A common cause of perennial (year-round) rhinitis – allergies. Find out more >


Also known as seasonal rhinitis, hayfever is an allergic reaction to pollen from grasses, weeds and trees. Find out more >


Histamine is activated by the immune cascade in response to foreign bodies. Histamine triggers two allergic responses: increased inflammation and the contraction of smooth muscle. Find out more >


Raised, red, itchy bumps on the skin, which are the result of an allergic reaction.

Immune Cascade

The stages of an allergic reaction starting when an allergen enters the body, triggering immune system mast cells to release histamine. This can ultimately result in an allergy attack of sneezing, itching and irritation.


A common allergen found in wet, damp places aiding in the break-down of materials. Find out more >


Air-borne plant matter, which is the major cause of hayfever – particularly in hot, dry and windy weather. Find out more >

Seasonal Rhinitis

Commonly known as hay fever, this describes an allergic reaction to pollen, resulting in runny and itchy nose eyes, airways and palate. Find out more >

Perennial Allergic Rhinitis

Year-round allergies affecting the sinus and airways which can be caused by many allergens, most commonly dust mites, pet hair / dander and moulds. Find out more >