Well, yes, it can help pink eyes. First, you should know that pink eye is caused by the bacteria, irritants, even allergies. When you suffer it, your eyes will be red, bloodshot. Also, pink eye is contagious. And they can be easily passed back and forth between your eyes and others. To treat it, you can just apply erythromycin which can be good for your pink eyes. Of course, there are many other measures that you can take to solve the situation. For example, you need to use the drops as directed you need to make sure the bottles tip is not touching your eye to not be infected. By the way, you can put some ice on your eyes and change it frequently.