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Slippery Elm

There Has Been Little Study Into The Effectiveness Of Slippery Elm For IBD

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Updated May 25, 2014

Slippery Elm

Slippery elm (Ulmus fulva) is a supplement that is made from the powdered bark of the slippery elm tree. It has long been used by Native Americans to treat cough, diarrhea, and other gastrointestinal complaints. A salve made from the slippery elm also can be used topically to treat burns, wounds and skin irritations. Recently, slippery elm has been studied for use as a supplement for inflammatory bowel disease (IBD).

How Slippery Elm Is Used

Slippery elm is thought to have anti-inflammatory and antioxidant properties, but there has not been a significant amount of research to support its use. A substance called mucilage (which exists in most plants) is found in higher than typical amounts in slippery elm. When taken orally, mucilage becomes slick and coats the mucous membranes in the intestinal tract, soothing inflammation and relieving pain.

Research

One study confirmed the antioxidant effects of slippery elm when used in patients with IBD, but the authors conclude that more studies are needed to confirm their results. Because there have been no large studies into the use of slippery elm as a treatment for IBD, there is not enough evidence to warrant its widespread use .

Interactions With Other Drugs and Supplements

Slippery elm may slow down the digestive process. This could prevent the proper absorption of some drugs or of other herbs and supplements. It is recommended that slippery elm be taken 2 hours before or after taking other herbs.

Slippery elm is not thought to interact with any drugs, but this is not known for sure. Always tell your health care team about any herbs or supplements you are taking.

Side Effects

As with any drug or supplement, there is always a chance of an allergic reaction. Slippery elm should be avoided by anyone who has a known allergy to slippery elm or other plants in the Ulmaceae family. An allergic skin rash has been seen when slippery elm is used topically, but this is considered unusual.

Use During Pregnancy and Breastfeeding

Slippery elm has not been studied extensively in women who hare pregnant or breastfeeding. It is not thought to have any adverse effects, but it is not proven to be harmless. Tell your doctor if you are pregnant or breastfeeding and have taken or are thinking about taking slippery elm.

Overall

Even though slippery elm has been used for many years in North America, it is not currently approved in the U.S. to treat any condition. Tell your doctor if you are considering the use of slippery elm, or if you are currently taking slippery elm.

Source:

Langmead L, Dawson C, Hawkins C, Banna N, Loo S, Rampton DS. "Antioxidant effects of herbal therapies used by patients with inflammatory bowel disease: an in vitro study." Alimentary Pharmacology & Therapeutics Feb 2002;16:197-205. 25 May 2014.

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