Apr 23, 2024, 06:59 PM IST

Signs and symptoms of low Vitamin-B 12 in body

Varnika Srivastava

B12 deficiency can cause fatigue, impair red blood cell production, and lead to megaloblastic anemia, resulting in abnormal, immature red blood cells and impaired DNA synthesis.

Fatigue

B12 deficiency anemia causes skin prickling and jaundice due to lack of mature red blood cells, causing yellowish skin and eyes due to high bilirubin levels.

Pale or yellow skin

Migraine headaches are common due to B12 deficiency, with high B12 levels reducing migraine risk. Research explores B12 treatment for migraine headache symptoms.

Headaches

B12 deficiency increases depression risk due to elevated homocysteine levels, oxidative stress, DNA damage, and cell death, potentially leading to psychosis and mood disorders.

Depressive symptoms 

B12 deficiency can cause gastrointestinal symptoms such as diarrhea, nausea, constipation, bloating, gas, and other issues, affecting both adults and children.

Gastrointestinal issues 

Deficiency in B12 can cause foggy-headedness, difficulty concentrating, and task completion due to its negative impact on the central nervous system.

Mental impairment

Glossitis, a painful, inflamed tongue, can be caused by B12 deficiency and can be accompanied by stomatitis, a sore-like mouth inflammation, and may indicate early B12 deficiency.

Inflammation

B12 deficiency can lead to muscle cramps and weakness due to its negative impact on motor and sensory nerve function.

Muscle cramps and muscle weakness

Disclaimer: This content including advice gives generic information only and is in no way a substitute for qualified medical opinion.