A member asked:

What are possible reasons for partial sensory loss on right side of upper lip and cheek?

4 doctors weighed in across 2 answers

Infra-orbital nerve: The nerve in question is the 'right infra-orbital nerve' [a branch maxillary division /trigeminal nerve (v2)=red area]. The nerve exits the skull just under the right 'cheek bone'. The nerve may have been damaged by trauma (old injury) or may have some compression on it from tumor/mass/infection in the maxillary sinus region. A sinus ct scan may be needed to find out the cause. Hope ur better!

Answered 11/7/2014

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Dr. Salman Saeed answered

Specializes in Neurology

Facial numbness: The more common reasons for numbness is trigeminal nerve issues, this can also be seen in small lacunae strokes and demyelinating diseases such as multiple sclerosis.

Answered 8/18/2013

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