Re: nerve pain in chest?
I suffer from intercostal nerve pain and can tell you I've never had a rash at the site. I do have a burning sensation. I think you should explore other symptoms and potential causes. I do know that a burning sensation does not always mean nerve damage. There could be skin issues, vitamin deficiencies, and allergies.
If you do think it is nerve pain than I'd ask... Are you experiencing any other symptoms in you chest area? Do you have an idea as to what may have brought it on? Perhaps, being hit in the area or a medical procedure or deep stretching and twisting like during yoga?
If you have any questions for me about my pain, don't hesitate to ask.