Well, of course, flu can lead to pink eyes. When you have flu, it can make your eyes infected easily. In this way, it can lead to pink eyes. As we know that pink eye is redness and inflammation of the membranes covering the whites of the eyes and the membranes on the inner part of the eyelids. And generally speaking, it can be caused by irritation, allergies, eyestrain, environment, wearing contact lenses, dry eyes. So anyway, you should take some measures to avoid the flu. And then it can treat the pink eyes. And, you can put some ice on your eyes and change it frequently. And also, drop some eye drops, so it can relieve the symptom. Also, there are also some other symptoms such as itching, burning or stinging, discharge, swelling, watering, when you get pink eyes. 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. Also, you must wash your hands and sanitize them constantly. Otherwise, it will be easy to be infected. But if the situation becomes serious, maybe you should go and see a doctor as soon as possible.