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Carbon dioxide to relieve nasal allergies

banglanews24.com, Dhaka :

Carbon dioxide may not be good for the environment, but a 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 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 effect lasted 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.