If you ask the allopathic medical community, the answer would be no. Our opinion has always been somewhere in between. Like everything else, it depends upon the individual.
Colonics, also known by various names such as colonic irrigation, high colonics, colonic hydrotherapy, and colon lavage, is the process of delivering water and sometimes other ingredients (eg, herbs, coffee, probiotics, enzymes, or sodium phosphate) into and out of the rectum for "cleansing of the large intestine (colon) and sigmoid (lower bowel) of metabolic waste..."
Colonics can be performed by colon therapists, also known as colonic hygienists, or can be self-administered. Water is pumped into the rectum through a rectal tube and removed through another tube. Amounts ranging from one-half to 25 gallons are described on various Websites. This process may be repeated multiple times.
The benefits and risks of any medical intervention must be considered. A systematic review of the mainstream and complementary and alternative literature on the benefits of colon cleansing found no methodologically rigorous trials to substantiate claims. In addition, there is no specific licensing body to regulate colon therapists. Ask your doctor or licensed health professional for a name they trust.
Generally, for those who prefer colonics for detoxification purposes, we suggest getting them no more than once or twice per year. However, people with a history of gastrointestinal disease, such as diverticulitits, Crohn disease, or ulcerative colitis, are at higher risk for adverse effects of colonics. Other conditions such as severe hemorrhoids, a history of colon surgery, heart disease, or renal impairment also increase adverse risk.