Hello and Welcome to ‘Ask A Doctor’ service. I am Dr Mittal. I have reviewed your query and here is my advice.
The symptoms of the query are quite suggestive of a
radiating pain. I assume the pain would be radiating from the back down to the extremities. Similarly in the chest, the pain would be coming forward from the back.
In this kind of pattern, most likely possibility would be a
radiculopathy. If the symptoms are of sudden onset, demyelinating diseases like multiple
sclerosis would be another possibility.
Having said that, you have mentioned that there is burning- this is more suggestive of a
peripheral neuropathy, especially small fiber neuropathy.
The possible causes should include
vasculitis, and possibly paraneoplastic (especially if you are in the elderly age group- I do not have the age group from your message).
I think your husband needs to be examined in detail by a
neurologist first. Thereafter a plan needs to be made for
MRI of the spine,
nerve conduction studies, and possibly a
skin biopsy.
Meanwhile you can meet your doctor for a prescription of
pregabalin, that should afford some relief to him.
Hope I have answered your query. Let me know if I can assist you further.
Dr Mittal