How Long Do You Have To Be Constipated Before You

How long do you have to be constipated before you have to go to the ER for emergency surgery? I have been constipated for 3 months but i am terrified to go to the my doctor for help. I have always had these sorts of problems but usually laxatives help. Unfortunately they haven't been working. Neither have enemas. " I don't have money for this and I'm vary scared "