What is optrex allergy 2% w v eye drops sodium cromoglicate 10ml what are the key features soothes and prevents itchy, allergy eyes this product is not eligible for returns ingredients what are the active ingredients benzalkonium chloride, disodium edetate, water for injectionsingredients usage how to use optrex allergy 2% w v eye drops sodium cromoglicate 10ml for the treatment of itchy, water, or allergic eyes caused by hayfever, house mites and other particulates e.g'. '.strtoupper('p')et hairs'. '.strtoupper('s')oothes and relieves without causing drowsiness.1 ml of eye drops contains 20 mg of sodium cromoglicate 2% w vdose 1 2 drops into each eye 4 times daily, or as directed by your doctorusage warnings precautions to consider before using taking optrex allergy 2% w v eye drops sodium cromoglicate 10ml do not use if sensitive to any of the above ingredients.ocular use.read the package leaflet before use.use this medicine only in your eyes.may cause eye irritation.soft contact lenses should not be worn whilst using this product, as this may change the colour of your contact lenses'. '.strtoupper('r')emove contact lenses prior to application and wait at least 15 mins before reinsertion.discard the bottle containing any remaining solution four weeks after first use.keep out of the sight and reach of children.warnings