In the nineteenth century, a naturopathic concept came into being whose influence persists today: namely, that regular, frequent, and complete bowel movements are necessary for optimum health. William Harvey Kellogg, of Kellogg's cereal fame, wrote extensively of the dangers of "auto-intoxication" purportedly caused by inadequate elimination. He and others claimed that a concrete-like sludge builds up on the wall of the colon, increasing in thickness over time and destroying the health of the body.
However, in modern times physicians have performed millions of direct examinations of the colon, using the procedure known as colonoscopy, without finding any evidence of such a coating. Caked colons are a myth.
Furthermore, conventional medicine has never observed any connection between elimination and overall health. Many people eliminate only once a week or so, and their health appears to be no worse than that of the population at large.
In addition, one study found that there is no connection between constipation and colon cancer.
Nonetheless, most people find occasional constipation unpleasant. For some, it becomes a severe chronic problem. It can be associated with
irritable bowel syndrome
(IBS), in which case it is called constipation-predominant IBS.
Conventional treatment for constipation involves mainly increasing exercise and intake of dietary fiber and water, while reserving laxatives, suppositories, and enemas for emergencies.
Occasional constipation can be safely self-treated. However, if constipation becomes a chronic problem, it should be evaluated by a physician.
Increasing dietary fiber and water intake is the first treatment to try for chronic constipation. Whole grains and fruits and vegetables add fiber in the diet. In addition, fiber supplements may be taken in the form of debittered
, another source of fiber, is also helpful in relieving constipation. In a review of 3 trials involving 283 adults, psyllium effectively improved bowel movements compared to placebo.
A typical dosage of fiber is 5 to 10 g, 1 to 3 times daily, with at least 16 ounces of liquid. Start with the lower doses and work up gradually, as too much fiber all at once can actually worsen constipation.
The herbs cascara sagrada and
are stimulant laxatives approved as over-the-counter treatments for constipation. Another herb,
, also contains these substances, but it is not an approved OTC drug in the US. All of these work by virtue of chemical constituents called anthraquinones that irritate the colon wall. When taken to excess, stimulant laxatives can cause dependence. In addition, if overused, they can cause depletion of potassium. This is especially dangerous for people taking drugs in the
Traditional Chinese herbal medicine
offers numerous herbal combinations for the treatment of constipation. One such combination has undergone study: a combination of the herbs rhubarb and licorice called Daio-kanzo-to. In this 2-week,
trial, 132 people complaining of constipation were randomly assigned to one of three groups: placebo, low-dose Daio-kanzo-to, or high-dose Daio-kanzo-to.
The results indicate that the higher-dose group, but not the lower-dose group, experienced
improvements in constipation compared to placebo.
Some evidence indicates that
("friendly bacteria") alone, or taken in combination with
(nutrients that encourage the growth of probiotics) may improve constipation.
For example, 266 women with constipation who consumed yogurt containing the probiotic
and the prebiotic fructoligosaccharide twice daily for two weeks experienced significant improvement compared to women consuming regular yogurt as a placebo.
In addition, a 6-week double-blind, placebo-controlled trial of 274 people with constipation-predominant irritable bowel syndrome, use of a probiotic formula containing
significantly reduced discomfort and increased stool frequency.
In another double-blind, placebo-controlled study of 45 children with chronic constipation, researchers found that use of
was more effective than placebo and equally effective as
Furthermore, a small trial found benefits in children, this time with a mixture of
and a study not limited to children found benefit with
Lactobacillus casei Shirota
Finally, one study found that a combination of
improved bowel regularity in seniors.
The psychological aspect of constipation should be considered as well. Like sleep, elimination is inhibited by thinking too much about it. Part of the key to solving chronic constipation problems is to decrease the sense of worry and anxiety that surrounds the issue. Although constipation is certainly unpleasant, its evils have been greatly exaggerated. Thinking less about it will often go a long way toward solving the problem.
Numerous herbs are used alone or in combination formulas for the treatment of constipation, including:
Ayurvedic herbal combinations
, basil, buckthorn,
He shou wu
has also shown a bit of potential.
However, the effectiveness of these therapies has not been scientifically evaluated to any meaningful extent.
Besides herbs, other alternative medicine therapies have been proposed for use in the treatment of constipation.
may be effective for some forms of constipation (particularly those associated with uncoordinated functioning of pelvic muscles), but the evidence is mixed for short-term and lacking for long-term benefits.
One small study failed to find
4 However, some success was reported with self-acupuncture applied to the perineal area, the area between the anus and base of the genitals. In a randomized trial of 100 adults with functional constipation, applied pressure and massage to this area was associated with improved bowel function and quality of life when compared to standard treatment alone. The trial was unblinded and the patients self-reported their results, which can affect outcomes.23
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Last reviewed September 2014 by EBSCO CAM Review Board
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