Always use this medicine precisely as described on this leaflet or as your physician or pharmacist has informed you. This medication incorporates 0.Four mg benzalkonium chloride in each 1 ml which is equivalent to 6 mg/15ml and 8mg/20ml. Benzalkonium chloride might cause irritation or swelling inside the nostril, particularly if used for a long time. Keep this leaflet. You could have to learn it again. Keep away from the eyes.