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So in the past five months I've had both Optic neuritis and 6th nerve palsy (both in my left eye) and I have an MRI scheduled. However my neurologist said that if any new symptoms crop up to call him ASAP. For the last two days I've had this feeling in my right foot like it is vibrating on the inside (kind of like if you put your phone on vibrate and had it under your foot)-- however it only happens when I bend my neck forward, and only some of the time....

Should I call my neuro or is this just like a normal strange phantom feeling and I'm blowing it out of proportion?

I'm really worried because I don't know if it's normal to have 3 separate symptoms in less than 6 months...

EDIT

I've spoken to my neuro and he's trying to speed up my MRI, as well as run some more tests but no date has been set yet. The vibration feeling is mild but now it's moved from being just my foot to my entire right leg. I'm REALLY scared. Is it normal for Lhermitte's sign to spread to a larger surface area of the body? Does this mean I'm progressing faster than expected or is it all part of one exacerbation.... I have a billion questions and my body keeps adding new ones.

that sounds like lhermitte's sign - it manifests in a bunch of different ways and it's pretty typical to feel it when you bend your neck. in your case at a very particular angle, it seems. it's supposed to indicate an active lesion in the c spine. used to be a useful indicator for neuros before the days of MRI. go ahead and call the neuro, imho it qualifies as a new symptom.

http://en.wikipedia.org/wiki/Lhermitte's_sign
"The sign suggests a lesion of the dorsal columns of the cervical cord or of the caudal medulla, correlating significantly with cervical MRI abnormalities.["
"[25 - 40%] of MS patients report having Lhermitte's sign during the course of their illness"
"Although often considered a classic finding in multiple sclerosis, it can be caused by a number of conditions, including transverse myelitis, Behçet's disease,[2] trauma, radiation myelopathy,[3] vitamin B12 deficiency (subacute combined degeneration), and compression of the spinal cord in the neck from any cause such as cervical spondylosis, disc herniation, tumor, and Arnold-Chiari malformation."