Cetrine Cetirizine Allergy 1mg/ml Solution (200ml). The active ingredient of Cetrine Allergy is cetirizine dihydrochloride.. Cetrine Allergy is an antiallergy medicine. It helps control your allergic reaction and its symptoms.. Cetrine Allergy relieves symptoms associated with, for example, hay fever, allergy to dust mites (allergic rhinitis) such as:. sneezing. runny or itchy nose. itchy palate. itchy, red or tearing eyes
