A member asked:

What can cause a person to lose all sense of smell?

A doctor has provided 1 answer

3 main reasons. : 1.Head trauma: a blow to the front off back of the head causes the brain to bounce in skull.Smell nerve fibers can be ripped by this sudden action 2.Nerve damage: a seemingly minor cold sometimes causes enough inflammation that nerve is damaged.Some drugs can also cause this 3. Obstruction: something can physically block smell particles from reaching the smell area. Polyps or rare tumors.

Answered 9/28/2016

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A member asked:

What can cause a hightened sense of smell? No infection no truma

A doctor has provided 1 answer