Do not use: - In children under 3 years of age. - While wearing soft contact lenses. If you wear soft contact lenses, remove them before using Zaditen drops. Wait for 15 minutes after using the drops before reinserting your contact lenses. See your doctor or pharmacist before use if: - You are pregnant or likely to become pregnant. Whilst using this product: - Discard remaining contents 4 weeks after opening bottle. - Avoid touching the tip of the bottle to any surface since this may contaminate the soluction. For ophthalmic use only !Contains benzalkonium chloride 100 µg/mL as preservative