Numbness and tingling

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Central nervous system

Sensory loss; Paresthesias; Tingling and numbness; Loss of sensation

The underlying cause of numbness or tingling should be identified and then treated by your doctor. For example, if you have carpal tunnel syndrome or low back pain, certain exercises may be recommended.

If you have diabetes, your doctor will discuss ways to control your blood sugars. Medications that cause numbness or tingling may need to be switched or adjusted. DO NOT make any changes to your medications without instructions from your doctor. Low levels of vitamin B-12 will be treated with vitamin supplements.

For multiple sclerosis, these steps can help some of the symptoms:

• Exercise to maintain muscle tone. Your doctor or physical therapist can guide you and design an appropriate program.
• Rest and practice relaxation techniques for improved energy level.
• Avoid temperature extremes.

Because of the decrease in feeling, a numb hand or foot from any cause may be more prone to accidental injury. Take care to protect the area from cuts, bumps, bruises, burns, or other injury.

Go to a hospital or call 911 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.

Call your doctor if:

• 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.

Your health care provider will take a medical history and perform a physical examination, with careful evaluation of your nervous system.