Pink eye is quite serious sometimes because it would give rise to burning eyes, photophobia, red eyes, watery eyes, etc, and some other diseases and infection if it becomes very serious. However, typically, it would not lead to stomachache because there is little relationship between pink eyes and your stomach. Take it easy and try to care about your health in every aspect.
Well, of course not. Pink eyes can not lead to stomach pain. First, you should know what the pink eyes are. Pink eyes are an infection of the eye or eyes, caused by Staphylococcus or Streptococcus bacteria. Also, it can be very dangerous for it is very contagious, when you get them, it will start with the redness, itching, irritation, and a characteristic creamy discharge in your eyes. But on the other hand, there is nothing to do with stomach. So it can not cause stomach pain. By the way, you should know that contacts, eyeliners can lead to pink eyes, too. By using eyeliners, they can carry many bacteria, so that it can lead to infection to your eyes, even the pink eyes.
Actually, it's easy to get pink eyes but still have way to protect; good health habit would prevent the bacteria or viruses pass through hands to eyes. Please washing hands before dinner and after toilet, pay attention your personal hygiene and make sure of frequently clean, to avoid using hands rubbing your eyes are also very important. There have many reasons to cause stomach pain, such as super tension in the work, nervous in the mental condition, eating disorders, too much drink or spicy food, sports right away after full eating, etc. Most of the reason will lead to acid stomach. You can see there has nothing related with the two things each. There has no reason for pink eyes to cause the stomach pain.