I have idiopathic Peripheral Neuropathy, which means of unknown cause. I had no idea how common that is until I was diagnosed. Have been tested for all of the causes my neuro could think of and none have been positive. I recommend he find a good neuro who will test him for what can be tested for and not give up. Obviously things like Lymes (and there are OTHER tick diseases as well), diabetes (probably the most common cause), autoimmune problems, vitamin deficiencies, lots of other things. And the symptoms can vary as well, and sometimes they can wax and wane. I wouldn’t say it’s a great thing to have, but there are worse things too.
Thanks Brytlea, not sure we have one in our very small area, but it may come to that if it gets any worse.