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Carbon Dioxide to Relieve Nasal Allergies

Sep 09, 2011
Carbone dioxide may not be good for the environment, but the recent study revealed it could become very helpful in case of nasal allergies.

During the study that was funded by Capnia, Inc., a Palo Alto, California-based company, the researchers gave 348 participants, who suffered from nasal allergies, a shot of intranasal carbon dioxide or placebo treatment. The group that received the new CO2 treatment, was divided into four groups, each of them having lower or higher amounts of carbon dioxide for 10 or 30 seconds.

The participants, who received the higher dose of carbon dioxide for 10 seconds, showed the biggest relief of nasal allergy symptoms, such as nasal congestion, itching, sneezing and watery eyes, in comparison to those in placebo group. The positive affect lasted for about four hours.

Nowadays the most common treatment for nasal allergy is the use of anti-inflammatory corticosteroids, but many people want to apply more "natural" methods.

Though the new CO2 treatment is still under development, some specialists doubt that it will become wide-spread. They say that traditional treatment options offer longer-lasting effect, while CO2 may last only 4 to 6 hours. Besides, some participants found this treatment uncomfortable, with such side effects as watery eyes and headache.

But researchers of the recent study point that carbon dioxide shot that will be delivered through the nasal device provides immediate relief and may be suitable for occasional cases.

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