Hi John
I can't give you a definitive answer here. You would need to look at the specific criteria and see exactly how your symptoms impact on your daily life. I do know of several people who get it who have IBS, but it is in conjunction with other conditions.
Have a look at the PIP handbook and see how it applies to your case.
BIS
Nothing on this board constitutes legal advice - always consult a professional about specific problems 
