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A member asked:

Will a sinus infection cause anosmia?

A doctor has provided 1 answer

It can: The olfactory (smell) nerve fibers are located in the upper nose in a small area. Swelling from infection can block the smell molecules from getting uo to the olfactory nerve fibers. This is usually temporary. Also, certain viruses can directly damage the olfactory nerve fibers sometimes causing permanent anosmia.

Answered 10/3/2013

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