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Vitamin B12 deficiency: Facial pain and jaundice could be signs to spot

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In a study with MD Edge Neurology, facial neuralgia and its possible link to vitamin B12 deficiency was investigated.

The study noted: “Vitamin B12 deficiency may cause isolated facial neuralgia, independent of trigeminal neuralgia and peripheral neuropathy, according to research presented at the 14th Congress of the International Headache Society.

“All patients reported a decrease in touch and pain sensation, as well as numbness on the affected side.

“The blink reflex and trigeminal nerve evoked response were abnormal, and all subjects had low levels of serum B12.”


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