I was very much recently diagnosed with PCOS, I'm still trying to accept it but i have been put on metformin 500g tablets I currently take 3 a day as advised by my doctor. But after an hour of taking the morning one I end up having to rush to the toilet I am on my second day. Do I need to cut down on the amount I am taking or will these side effects ease up? Please can someone help. I don't feel sick or anything just end up with diarrhoea