1. Tingling hands or feet
Vitamin B12 deficiency may cause “pins and needles” in the peripheral nerves of the hands or feet.
2. Difficulty walking
Over time, peripheral nerve damage resulting from vitamin B12 deficiency can cause numbness in the feet and limbs, making it hard for a person to walk without support.
3. Pale skin
Pale or yellow skin, called jaundice, may be a symptom of vitamin B12 deficiency.
Jaundice develops when a person’s body is not able to produce enough red blood cells, causing megaloblastic anemia.
4. Fatigue
Megaloblastic anemia due to vitamin B12 deficiency may lead to a person feeling fatigued, because there are not enough red blood cells to carry oxygen around their body.
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