I began getting pins and needles in my toes nearly one year ago. This gradually progressed up my legs and then my forearms and hands bilaterally. It is always worse during hot baths and after walking.
Then, this summer I suffered heat exhaustion and nearly heat stroke after being trapped in a very hot train during a heatwave.
Immediately after this I noticed that my body wasn't producing any sweat. Since then, my whole body is completely dry. There is a tiny amount of sweat from my feet, hands and armpits. Additionally, I feel too hot to go out and I've become housebound.