06-13-2012, 07:52 PM
Fibromyalgia and Medical Marijuana
What the experts have to say about the use of marijuana for treating fibromyalgia. By Rebecca Buffum Taylor
WebMD Feature Reviewed by Matthew Hoffman, MD Fibromyalgia, a chronic pain syndrome, is hard to treat and impossible to cure. With pain so debilitating, patients may wonder about trying medical marijuana to ease their discomfort.
Still widely controversial, "medical marijuana" refers to the smoked form of the drug. It does not refer to the synthesized version of THC, one of the active chemicals in marijuana, that's available in a medication called Marinol. The FDA first approved Marinol (dronabinol) in 1986 for nausea and vomiting from chemotherapy. It later approved its use for nausea and weight loss from AIDS
The history of medical marijuana
Medical marijuana was prescribed by doctors until 1942. That's when it was taken off the U.S. pharmacopoeia, the list of commonly available drugs.
"Marijuana has been a medicine for 5,000 years," says Donald I. Abrams, MD. "That's a lot longer than it hasn't been a medicine." Abrams, who is an oncologist and director of clinical research programs at the Osher Center for Integrative Medicine at the UCSF School of Medicine in San Francisco, is one of a handful of top-flight doctors in the country researching medical marijuana. "The war on drugs is really a war on patients," he says.
So why research medical marijuana when a pill, Marinol, is now available?
Marijuana -- the plant's Latin name is cannabis -- has a host of components called cannabinoids. These components may have medicinal properties.
"There are 60 or 70 different cannabinoids in marijuana," says Abrams. Marinol contains only one cannabinoid -- delta-9 THC. When THC is isolated from the plant, other ingredients are lost, including those that might be buffering any adverse effects of taking "straight" THC. "In Chinese medicine," Abrams says, "they prescribe whole herbs and usually combinations of herbs."
Abrams goes on to point out that, "In 1999 the Institute of Medicine did a report -- Marijuana and Medicine. And they said, in fact, that cannabinoids have benefit in relief of pain, increase in appetite, and relief of nausea and vomiting."
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