Originally published September 30 2005
Study finds sniffing carbon dioxide may be an effective migraine treatment
by Mike Adams, the Health Ranger, NaturalNews Editor
According to WebMD, 30 percent of migraine sufferers in a Harvard Medical School study who sniffed carbon dioxide were alleviated of their symptoms, as the treatment reproduced some of the relief provided by potent oral migraine drugs, but without the risky side effects.
In a new study of 77 migraine sufferers, 30% who sniffed carbon dioxide were pain-free two hours later, compared with only 9% of the 75 people given a placebo.
"The amount of relief provided by the carbon dioxide is very similar to what you get with the potent oral migraine drugsoral migraine drugs usually prescribed to migraine patients," says researcher Egilius Spierings, MD, PhD, an associate clinical professor of neurology at Harvard Medical School in Boston.
And unlike some migraine drugs that can cause side effects, such as dizziness and low blood pressure, the carbon dioxide appears to be extremely safe, he tells WebMD.
Reporting at the annual meeting of the American Neurological Association here, Spierings says a 3-inch cylindrical device that resembles a large pen sends pressurized carbon dioxide up one nostril and out the other.
The carbon dioxide device appears to work best for those who suffer from mild to moderate migraines, Spierings notes.
Though the study was not designed to show how the carbon dioxide works, Spierings says lab studies suggest that the gas increases acid levels of the nerve fibers in the nose.
This in turn lowers the activity of the so-called trigeminal nerve fibers -- "the same fibers that transmit migraine pain from the head to the brain," he says.
John Clause Krusz, MD, PhD, medical director of Anodyne Headache and PainCare in Dallas, says the work is "tremendous.
The treatment is so benign and offers relief after just two hours."
The only question, Krusz tells WebMD, is whether the device offers long-term relief or if headaches return the next day.
Spierings says his team plans longer and larger studies next year that will help address that question.
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