What is paresthesia?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Paresthesia is a burning or prickling sensation that can be felt in different parts of the body. You have probably experienced temporary paresthesia when you sat in one position for too long and felt "pins and needles" in one of your legs. Some people develop chronic paresthesia as a side effect of serious injuries or certain neurological disorders. If you experience tingling, numbness, burning, or any other unexplained sensation in your limbs or anywhere else in your body, talk to a doctor.

Paresthesia refers to a burning or prickling sensation that is usually felt in hands, arms, legs, or feet but can also occur in other parts of the body. The sensation, which happens without warning, is usually painless and described as tingling or numbness, skin crawling, or itching.

Most people have experienced temporary paresthesia, a feeling of pins and needles, at some time in their lives when they have sat with their legs crossed for too long or when they have fallen asleep with an arm crooked under their head. It happens when sustained pressure is placed on a nerve. The feeling quickly goes away once the pressure is relieved.

Chronic paresthesia is often a symptom of an underlying neurological disease or traumatic nerve damage. Paresthesia can be caused by disorders affecting the central nervous system, such as strokes and transient ischemic attacks (mini strokes), multiple sclerosis, transverse myelitis, and encephalitis. A tumor or a vascular lesion pressed up against the brain or the spinal cord can also cause paresthesia. Nerve entrapment syndromes, such as carpal tunnel syndrome, can damage peripheral nerves and cause paresthesia accompanied by pain. Diagnostic evaluation is based on determining the underlying condition causing paresthetic sensation. An individual's medical history, physical examination, and laboratory tests are essential for the diagnosis. Physicians may order additional tests depending on the suspected cause of paresthesia.

This Answer is based on source information from the National Institute of Neurological Disorders and Stroke .

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.