Medically reviewed by Oluseun Olufade, MD Leg numbness is usually not harmful, but it may be a sign of an underlying cause, ...

Numbness and tingling ... When your body’s levels of calcium, potassium, or sodium dip, nerve signals can go haywire, leading to tingling sensations. Common causes include dehydration, certain ...

The cause of numbness and tingling in fibromyalgia is unknown. These symptoms don't follow any anatomic or nerve pattern, and they tend to come and go in different parts of the body. Other conditions ...