Acarids
Aeroallergen
Allergens
Allergic reactions
Anemophilous pollens
Anti-leukotriene
Antibodies
Antihistamine
Atopic
Bronchodilator
Congestion
Conjunctivitis
Corticosteroid
Dermatitis
Desensitisation
Dyspnoea
Eczema
Erythema
Graminaceae
Hayfever
Herbaceous
Histamine

Anti-leukotriene

Medication that blocks chemicals called leukotrienes in the airways. Leukotrienes occur naturally in the body and cause tightening of the airway muscles and production of excess mucus and fluid.