I have polycystic ovarian syndrome (PCOS) and sometimes an ovarian cyst will start causing me a lot of pain. It can be extremely painful, but it's almost never a true emergency situation. People often go to the ER because the pain is so bad but other than treating the pain, but there nothing else the medical staff can do. Of course, you shouldn't suffer in pain if it happens to you and if you are in doubt about whether or not a cyst is the cause of your pain, then you should go. You're always better safe than sorry.    But if you don't want to go to an ER there are some things you can do at home to treat the pain. The information in this article is for informational purposes only and isn't intended to treat or diagnose any conditions.    1. Take an over-the-counter (OTC) pain medication.  You can find these at your local drug store. They can help with pain from cysts, even if one ruptures. They usually don't work as well as an opiate medication would but they do help reduce pain. You can take…