Burning sagittal suture after Ferinject infusion - into R Face/lips/ears/arms

45 y/o female who has come in with intense burning, numbness and tingling down the sagittal suture, into R temporalis, ear and lips, also into R arm and fingers. Worse in afternoon/evening.

Onset 3 weeks after Ferinject infusion - initial hypophosphataemia that has since been balanced but the burning is still persisting. GP has given 75mg Lyrica to take ‘as needed’ - thoughts?

Toggled L C1 today, checked & cleared spine rest of spine as per normal.

I’ve got more information if needed.

Some type of trigeminal neuralgia/ganglion involvement/irritation?? Other signs don’t point towards shingles…

GP sent for MRI on Cx spine - Disc bulge c5-6? No report yet. I’m thinking this is more an incidental finding.

What are your thoughts here? She’s back in on Monday. Further checks? Adjustments? Any labs I should consider? 🙏🏼

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