"Paraesthesia (...spelled paresthesia in American) (also Cacaesthesia) is a sensation of tingling, pricking, or numbness of a person's skin with no apparent long-term physical effect. It is more generally known as the feeling of "pins and needles" or of a limb "falling asleep" (although this is not directly related to the phenomenon of sleep). The manifestation of paresthesia may be transient or chronic."
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06/04/2010: Tee from Chicago, Il: "Tingly feet
Yesterday I was a relaxing with one of my legs up in a chair. You know how you usually get that pin needle feeling afterwards that usually goes away after you walk it off. Well mine didn't go away after two days. My foot is very sensitive on the top part and it feels funny to walk or move it. What is this and what can I do about it???"
EC: Here's a great website to look up symptoms with key words like "tingling in one foot":
01/05/2011: Stephanie from Eugene, Or replies: "This might be helpful to those experiencing tingling feet and hands. I started experiencing this in June 2010, I was also dealing with back spasms for the last two years so thought it was just stress. My MD thought I might have early signs of fibromyalgia, I read about that on the internet and found the salicylates were bad for people with fibro. I had been using the "hot patches" that you stick on your back almost daily for a couple of years, those are suppose to have salicylates in them. I stopped using them. I also had been laying on and even sleeping with a heating pad almost daily, I read that heating pads, electric blankets, etc. can disrupt a body's systems. I stopped that! I also started experiencing a painful neck, again thought it was stress.... I started doing some easy yoga neck stretches. Do not roll your neck around in a circle!! Simply slowly drop your chin to your chest and slowly raise back up, do this a few times then drop your chin again and just take deep breaths for a couple of minutes. Then slowly roll your head from the chest position to the left side and then back down, then roll to the right side.... Never forcing, breathe gently and deeply, continue a couple of minutes. I can't tell you which of the above helped or if all three but in 2 or 3 days I was feeling better and completely better in a week. I honestly think it is the neck stretching, something is bothering the nerves in my neck. If I feel is slightly coming back I do the neck stretches. I hope this is helpful to others. Good Luck"