1 x 30 Tablets (Relonchem ). Cetirizine Hydrochloride Film-coated. Cetirizine Tablets can affect the results of allergy skin tests. for the relief of symptoms of hay fever (seasonal allergic rhinitis) and allergies such as dust or pet allergies (perennial allergic rhinitis), such as sneezing, itchy, runny and blocked nose, itchy, red and watery eyes.