Devil’s Claw (Harpagophytum procumbens) Native to southern Africa, gets its name from the tiny hooks that cover its fruit. Historically, devil’s claw has been used to treat pain, liver and kidney problems, fever, and malaria. It has also been used in ointments to heal sores, boils, and other skin problems around the world.
Devil’s claw was introduced to Europe in the early 1900s, where the dried roots have been used to restore appetite, relieve heartburn, and reduce pain and inflammation.
Today, devil’s claw is used widely in Germany and France to fight inflammation or relieve arthritis pain, headache, and low back pain.
Several studies show that taking devil’s claw for 8 to 12 weeks can reduce pain and improve physical functioning in people with osteoarthritis. One 4-month study of 122 people with knee and hip osteoarthritis compared devil’s claw and a leading European medication for pain relief. The people who took devil’s claw had as much pain relief as the people who took the medication. Those who took devil’s claw had fewer side effects and needed fewer pain relievers throughout the study.
An analysis of 14 studies using devil’s claw to treat arthritis found that higher quality studies showed devil’s claw may relieve joint pain. And a review of 12 studies using devil’s claw for treating arthritis or low back pain found that devil’s claw was at least moderately effective for arthritis of the spine, hip, and knee.
Preliminary evidence suggests that devil’s claw may help relieve neck and low back pain. In a small study of 63 people with mild-to-moderate back, neck, or shoulder pain, taking a standardized extract of devil’s claw for 4 weeks provided moderate relief from muscle pain. In a larger study of 197 men and women with chronic low back pain, those who took devil’s claw every day for a month said they had less pain and needed fewer painkillers than those who took placebo.
A 54-week study compared 38 people who took devil’s claw with 35 people who took the pain reliever rofecoxib (Vioxx). For these people, devil’s claw worked as well as Vioxx to relieve pain. The Food and Drug Administration (FDA) took Vioxx off the market because it increases the risk of heart problems.
Many professional herbalists suggest that devil’s claw can help treat upset stomach, loss of appetite, headaches, allergies, and fever. Topical preparations of devil’s claw are also applied to the skin to heal sores, ulcers, boils, and skin lesions. However, there are not any definitive scientific studies that show using devil’s claw to treat these conditions is effective.
The use of herbs is a time-honored approach for strengthening the body and treating disease. However, herbs can have side effects and interact with other herbs, supplements, or medications. For these reasons, you should take herbs under the supervision of a health care provider qualified in the field of botanical medicine.
If taken at the recommended dose for a short time, health practitioners consider devil’s claw non-toxic and safe, with few side effects. High doses can cause mild stomach problems in some people. Researchers do not know if it would be safe to take devil’s claw for a long time.
People with stomach ulcers, duodenal ulcers, or gallstones should not take devil’s claw. Studies show taking devil’s claw may vause gastrointestinal side effects.
Pregnant and breastfeeding women should not take devil’s claw since studies in these populations are lacking.
People with heart disease, high blood pressure, or low blood pressure should ask their doctors before taking devil’s claw.
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