Ortivine Antistin Eye Drops For Relief From Dry & Itchy Eyes 10ml An eye drop which effectively relieves red, itchy eyes often associated with Hay fever & other eye allergies. Dosage Adults & children over 12: one or two drops to be used three to four times a day. Children 6 to 12 years: one drop to be used two to three times a day. Not recommended for use in children under 6. Contains Xylometazoline hydrochloride 0.05%w/v & Antazoline sulphate 0.5% w/v. Caution Use with caution in the elderly, high blood pressure, heart problems, diabetes, & over active thyroid. Do not use if suffering from glaucoma. Do not use if taking (or within 14 days of stopping) MAOI therapy. Do not wear contact lenses whilst using drops. Throw away after four weeks of opening.