Tingling, numbness, or a crawling “ants” sensation in the fingers is a common complaint.
Many people ignore it, assuming it’s due to fatigue, posture, or pressure on the hands.
When this sensation happens repeatedly or without a clear reason, it may signal a nutritional deficiency.
Why Do Fingers Tingle
Tingling occurs when nerves are irritated, compressed, or damaged.
Vitamins and minerals are essential for healthy nerve function.
A deficiency can prevent nerves from sending proper signals, leading to abnormal sensations.
Most Common vitamin Deficiency Linked to Tingling
Vitamin B12 Deficiency
Vitamin B12 is crucial for:
Nerve protection and repair
Formation of red blood cells
DNA synthesis
When B12 levels drop:
Nerves weaken and become damaged.
Symptoms often start in the fingers and toes first.
Long-term deficiency can cause permanent nerve damage if untreated.
Symptoms of vitamin B12 Deficiency
Tingling or numbness in the hands and feet
Constant fatigue and weakness
Muscle weakness
Pale or yellowish skin
Loss of appetite and unexplained weight loss
Mouth ulcers or sore tongue
Irritability, sadness, or mood changes
Difficulty concentrating or memory problems
Depression in severe or long-standing cases
How to Overcome vitamin B12 Deficiency
Include B12-rich foods such as:
Milk, yogurt, paneer, and cheese
Eggs
Fish, chicken, and red meat
Fortified breakfast cereals
Fortified plant-based milks
In severe deficiency:
Oral supplements or injections may be needed.
Always take supplements under medical supervision.
What Is Tingling in Medical Terms?
Tingling in the hands and feet is called paresthesia.
It can be:
Temporary (pressure, posture, sleeping position)
Chronic (nutritional deficiency or disease-related)
Other Possible Causes of Tingling
Diabetes-related nerve damage
Spine or nerve compression issues
Infections or injuries
Long-term alcohol consumption
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