The Complete Guide to Interpreting Your Dreams

by Stearn Robinson - Tom Corbett
To dream of your own intestines is a sign of physical strain; get more rest.

If the dream involved severe pain, see your doctor as soon as possible.

A dream of human intestines other than your own signifies a period of worry concerning a close friend or a relative.

Animal intestines featured in a dream predict an impressive improvement in your lifestyle.

The Big Dictionary of Dreams

by Martha Clarke
These are related to everything visceral. Through the intestines we absorb food and discard non nourishing substances, converting them to excrement. So in oneiric terms, the represent the filtering of daily experiences to extract knowledge. (See EATING and EXCREMENT) 

Islamic Dream Interpretation

by Ibn Seerin
(Bowels) In a dream, intestines represent one’s personal property, or they could mean a pouch.

If the intestines are seen outside the stomach in a dream, they represent one’s step daughters, or an illness in that house.

If the tissue of the intestines has a cut, or if it breaks in the dream, then it means death. Intestines in a dream also mean money. Exposed intestines in a dream mean the surfacing of hidden money. Eating someone’s intestines in a dream means denying him his money, or discovering a hidden treasure.

If one’s intestines and bowels are taken out from his body for washing, then placed in a container in a dream, it means his death and the washer represents the undertaker. Noting here that embalming is not permissible in Islam. Islamic Laws.

(Also see Body’)