From Wikipedia: Short bowel syndrome (SBS, also short gut syndrome or simply short gut) is a malabsorption disorder caused by the surgical removal of the small intestine, or rarely due to the complete dysfunction of a large segment of bowel.

From Wikipedia: Short bowel syndrome (SBS, also short gut syndrome or simply short gut) is a malabsorption disorder caused by the surgical removal of the small intestine, or rarely due to the complete dysfunction of a large segment of bowel.

Could be:

Sick Building Syndrome

Short Bowel Syndrome

Shaken Baby Syndrome

Straight Back Syndrome

Diarrhea, upset stomach are often warning signs of Irritable bowel syndrome. Constipation is another warning sign of Irritable bowel syndrome.

It stands for "Irritable Bowel Syndrome".
It stands for irritable bowel syndrome