I just turned 50 last month and yesterday i started feeling week and lightheaded and today the running to the bathroom with diarrhea and trying to get to the couch because I'm watching my 2 year old granddaughter so i can't lay on the floor, I'm afraid i might pass out so i craw to the couch. please can someone help me with this. I been to the doctors and they don't know whats wrong with me i had tons of tests done, blood work done they said i need my gallbladder out in July so I did that and I still have the symptoms, i haven't had a period for about 15 years I had a hysterectomy.  I'm feeling better now after running to the bathroom all day the pain and the feeling of passing out is so intense. I hope someone out there can help me PLEASE HELP.