4 years ago i released a clear liquid from my mouth, the next day my thighs were inflammed and burned like hell. a year later i experienced numberness of my feet and hands tingling at times really severe. this has been going on for about 4 years now. sometimes i experience white patches in mouth, and uclers that come and go. i went to the emergency room they said i had pn and to see a doctor i didn't have insurance or a job to visit a doctor.. what could it be