It is two days now. The usual dose of Zaditen Eye Drops is one drop in the affected eye (s) twice a day. For instance, you may use prescription eye drops from your doctor to treat an infection, a minor eye injury, or a … For children 6 months to 3 years of age, the usual recommended dose is Zaditen Eye Drops 5ml Fight the symptoms of seasonal allergic conjunctivitis with Zaditen Eye Drops. Best Sellers. Eye drops can treat a range of eye problems. Suitable for adults of all ages and for children from 3 years of age. The eye drops should not be applied to the eyes of children who ar… Zaditen 0.25 mg/ml, eye drops, solution Ketotifen