Get relief from nasal congestion with Otrivine Congestion Relief Nasal Spray. It helps unblock your nose in 2 minutes and lasts for up to 10 hours. The spray offers relief from nasal congestion, perennial and allergic rhinitis and sinusitis. Usage: Directions: For full instructions see the enclosed leaflet. Before using it for the first time, prime the pump by actuating 4 times. Once primed, the pump will normally remain charged throughout regular daily treatment periods. If the spray is not ejected during the full actuation stroke, or if the product has not been used for longer than 7 days, the pump will need to be reprimed with 4 actuation. Dosage for Adults and Children over 12 years: one application in each nostril 1 to 3 times daily. Not suitable for children or infants under 12 years.