IBS or irritable bowel syndrome
is a diagnosis by exclusion of other
conditions that can cause diarrhea
. Generally speaking , all the routine
blood work and stool examinaton should be normal. Also , always Celiac
disease has to be ruled out. This can be done by blood tests , followed by
a biopsy of the small intestine
if necessary. Lactose Intolerance
problems. Switching to lactose free milk or lactaid added milk or even
soy milk will correct the problem.
Hope this is of assistance to you,
Wish you well.