Claritin®Allergy Decongestant Nasal Spray provides fast relief of nasal congestion for up to 12 hours. It is clinically proven to provide effective relief from nasal congestion due to allergy triggers such as pollen, trees, grass, ragweed, dust, pets and moulds. To be sure this product is suitable for you, always read and follow the label. TM see www.bayer.ca/tm-mc