Discontinue use if hypersensitivity, burning or excessive tearing, pain, foreign body sensation or other temporary local irritations occur. At least 30-min interval between administrations is recommended if using w/ other eye drops; should be used last unless when used w/ eye oint. Possible temporary blurred vision; may cause headache in sensitive patients. May cause temporary smearing on contact lenses; approx 30-min interval after inserting contact lenses is recommended before the application.