A typical  session lasts from thirty to forty-five minutes and uses two to six liters of water. A trained colon therapist gently guides an applicator, or speculum, into the anus. Filtered water, and sometimes herbs or oxygen (as prescribed by a physician), are gradually introduced into and released from the colon in order to remove fecal material and gas buildup. Colon therapy helps to dislodge fecal material trapped in the pockets and folds of the colon. In this way, conditions that favor normal flora are restored.

  One shouldn't  eat and drink a lot before colon therapy. A clyster beforehand will empty the rectum and increase the effectiveness of the colon therapy. After colon therapy, such  food should be taken, as vegetable soups and broths, and fruit and vegetable juices.

  One colon therapy session may not be enough to produce good results. It may be necessary to have several if you have long-standing complaints or a serious problem with constipation.

   The doctors point out that during colon therapy toxic left-overs are released into both the bloodstream and the lumen (inside of the bowel). temporary. Though colonic irrigation is usually a soothing and refreshing experience, a release of these toxins into the bloodstream can bring about a temporary "curing crisis."

  There are certain contraindications for colon therapy, including ulcerative colitis (ulceration of the colon lining), diverticulitis(inflammation of a sac or pouch in the intestinal tract causing stagnation of feces), Crohn's disease (in the acute inflammatory state), severe hemorrhoids (spasms in the muscles surrounding the prostate), and tumors of the large intestine or rectum. 

    Patients in a weakened condition should avoid colon therapy treatment, without direct medical supervision.