Information about Numbness and Tingling

We Have to Know about the Numbness and Tingling

Abnormal sensations that can occur anywhere in your body, but are often felt in your hands, feet, arms, or legs.

If
Weakness or paralysis occurs with numbness or tingling.
Numbness or tingling occur just after a head, neck, or back injury.
You cannot control the movement of an arm or a leg or you have lost bladder or bowel control.
You are confused or have lost consciousness, even briefly.
You have slurred speech, change in vision, difficulty walking, or weakness.

Remaining in the same seated or standing position for a long time.
Injuring a nerve supplying the body part where you feel the sensation. If you have a neck injury, for example, you may feel the sensation anywhere along your arm or hand. Similarly, a low back injury can cause sciatica — a sensation of numbness or tingling down the back of your leg.
Lack of blood supply to the area. For example, plaque buildup from atherosclerosis in the legs can cause pain, numbness, and tingling while walking. (This is called claudication.)
Pressure on the spinal nerves, as from a herniated disk.
Carpal tunnel syndrome. This can cause numbness or tingling in your wrist, fingers, hand, or forearm.
Certain medical conditions, including diabetes, underactive thyroid, multiple sclerosis, seizures, or migraine headaches.
Abnormal levels of calcium, potassium, or sodium in your body.
Vitamin B-12 deficiency.
Transient ischemic attack (TIA) or stroke
Certain medications.
Toxic action on nerves, such as that from lead, alcohol, or tobacco.
Radiation therapy

Numbness or tingling has no obvious cause (like a hand or foot “falling asleep”).
You have pain in your neck, forearm, or fingers.
You are urinating more often.
Numbness or tingling is in your legs and worsens when you walk.
You have a rash.
You have dizziness, vertigo, muscle spasm, or other unusual symptoms.