Need information on Linzess. I am mentally exhausted trying things. Miralax, Metamucil, Benefiber, Phillips Milk of Magnesium. Really bad cramps. And get diareah and my stomach get so irriated it feeI and it takes 2 days to get over it. Any information on what you take will be appreciated. The doctor said to just keep trying things until i find out what works. I have a lazy colon also