68 yo m, having flushing of hands and feet with bilateral lower extremity intermittent ice cold and burning hot sensation and facial flushing, overall hightened sensation of all pain fibers. would never complain unless its gotten bad. hx of aflutter s/p

See neurologist: You describe a peripheral neuropathy, and many characteristics are common with small fiber involvement. A few tests should reveal answers, and in many cases, highly satisfactory outcomes can emerge.

Seek medical consult: Differential diagnosis includes medication or substance reaction, effect of tumor secretion, primary neurological condition, or anxiety