Q: I sometimes feel pins and needles — should I be concerned?
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A: Occasional or fleeting pins-and-needles sensations are seldom cause for concern. These can occur when a limb “falls asleep” after resting on it too long.
However, constant pins-and-needles sensations in one limb, in both feet or in both hands may signal a neurological problem. Possible causes include a pinched nerve in the limb, in the neck or in the back. The symptoms may be associated with other neurological problems, like weakness.
—Neuromuscular specialist Kerry Levin, MD