For external use only ask a doctor before use if you have narrow angle glaucoma when using this product i do not touch tip of container to any surface to avoid contamination, replace cap after each use, do not use if solution changes color or becomes cloudy, overuse may cause more eye redness, pupils may become enlarged temporarily, remove contact lenses before using stop use and ask a doctor if you feel eye pain, changes in vision occur, redness or irritation of the eyes lasts, condition worsens or lasts more than 72 hours keep out of reach of children. If swallowed, get medical help or contact a poison control center right away.