I started out with minor tingling sensations all over my body at different times. now i'm having tingling sensations that make me feel like i have acid reflux and it radiates down to my bladder and causes a terrible discomfort that last about 45 minutes and happens about every 2 days. I also have a backache now. i've been to a neurologist and an urologist., but no one can diagnose my problem. I have a coated tongue and my mouth tastes bad. this is an on again and off again problem, but it continues to worsen. what do you suggest?