Paresthesia is a symptom that few people know the name of, but most experience at some point. It commonly manifests after a person sits cross-legged for too long or falls asleep on their arm and is usually called "pins and needles." Paresthesia is generally a painless sensation that disappears quickly without any intervention. However, if it occurs regularly or for long periods, it may be a symptom of a serious condition. Consultation with a doctor can help to determine the underlying cause.
Medically, paresthesia is an abnormal sensation of the skin. These sensations can include tingling, pricking, chilling, burning, and numbness, and they usually occur spontaneously. Less common is formication, which feels like bugs crawling under the skin. Any body part can experience paresthesia, but is most common on the arms, legs, hands, and feet. The sensations may cause clumsiness, especially when felt in the legs and feet.
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