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New study addresses conflicting information on vitamin D and allergic rhinitis

Posted on: October 22, 2013   by  John Cannell, MD


Allergic rhinitis or hay fever is an allergic inflammation of the nasal airways. When an allergen, such as pollen, dust or animal dander (particles of shed skin and hair) is inhaled by an individual with a sensitized immune system, they may get allergic rhinitis. In such individuals, the allergen triggers the production of the antibody immunoglobulin E. When grass pollens cause allergic rhinitis, it is known as hay fever.

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1 Response to New study addresses conflicting information on vitamin D and allergic rhinitis

  1. Rita and Misty

    I had a very high 25(OH)D level back in July: 166 ng/ml. I’ve cut back a bit on supplementation, so I’m going to guess (and w/o a blood test it is only a guess) that my level is now around 100 ng/ml. Yes, I do know I need to retest. 🙂

    Re: allergies:

    I used to suffer from autumn hay fever.

    I have not suffered from autumn hay fever for the last two autumn seasons–since raising my level to 74 ng/ml (or higher).

    I still will catch the occasional cold…but it is certainly occasional now. Prior to correcting my vitamin D deficiency, I would catch about 4 colds a year (one per season).

    No flu last year, and it was the very first year in about 25 years that I did not receive a vaccine. I will not get the flu vaccine this year either.

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