One common diagnosis for that tingling sensation is peripheral neuropathy, a type of nerve damage that affects more than 20 million people in the U.S., reports the National Institutes of Health (NIH). However, if you’re still tingling after you untwist your legs, the feeling persists for a long time, or is accompanied by other symptoms like balance problems, weakness, pain, or a change in your vision, something else may be going on. As a result, that painful, burning and/or pins-and-needle sensation tends to indicate that the nerves are “waking up.” Once the obstruction is removed (like standing up or uncrossing your legs), tiny electrical impulses in the nerve structures that normally travel around the body (from the spine, arms, legs and brain) start working overtime.
This prickly feeling is known as paresthesia, which is usually a temporary condition caused by a blood flow blockage within the nervous system, according to University of Rochester Medical Center.
“Tingling in the feet is a very common symptom and usually does not indicate a serious problem,” says William Buxton, M.D., neurologist and director of Neuromuscular and Neurodiagnostic Medicine and Fall Prevention at Pacific Neuroscience Institute at Providence Saint John’s Health Center in Santa Monica, California.
And when you get that familiar pins-and-needles feeling in your feet or numbness in your toes, typically it’s easy to fix: Reposition yourself to take the pressure off of your nerves, and you’re good to go.
Tingling in your feet is not usually cause for concern.
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