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Mar 15, 2026

Reasons You Could Have Numbness or Tingling Sensations in Your Hands

Why Your Hands Might Feel Numb or Tingly

Feeling numbness or tingling in your hands—often described as “pins and needles”—can be mildly annoying or a sign of something more serious. Here are some common causes:

1. Sleeping Position
Lying on your arm can compress nerves, causing temporary numbness that usually fades after changing positions.

2. Repetitive Motions
Typing or using tools repeatedly may lead to nerve compression, such as in carpal tunnel syndrome.

3. Vitamin B12 Deficiency
This essential nutrient supports nerve health. A deficiency may cause tingling, fatigue, and muscle weakness.

4. Electrolyte Imbalance
Low levels of calcium, sodium, or potassium can affect nerve function and cause tingling.

5. Diabetes
High blood sugar can damage nerves, resulting in diabetic neuropathy—tingling or numbness, especially in hands and feet.

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