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Dr. Mark
Dr. Mark, Neurologist (MD)
Category: Neurology
Satisfied Customers: 11946
Experience:  Neurosurgeon - Brain, spine, and peripheral nerve surgery
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I fainted, fell backwards and hit my head directly on the

Resolved Question:

I fainted, fell backwards and hit my head directly on the back of my skull on our hard wood floors. i had a cat scan that was negative but i definitely had a mild to moderate concussion. The problem is ever since (about 2 months) i have no sense of smell?????. my sense of taste doesn't seem affected but i cannot smell ANYTHING.
Might you have any suggestions?
Thank you.
Submitted: 5 years ago.
Category: Neurology
Expert:  Dr. Mark replied 5 years ago.

Unfortunately, what you describe is quite common after a head injury.

This is because the olfactory nerves (the ones you smell with which are thin and small) are located in an area where they travel through small holes in the bottom of the skull. And when people get into a head injury situation, the brain moves quickly within the skull, and this can "shear" those nerves.

So, the loss of smell sensation after a head injury can occur. Hopefully one regains some of this over the next few months, but in some people, the loss of smell is permanent.

This is called post-traumatic anosmia.

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