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B12 deficiency can be the cause of itching and fatigue, know the solution
Samira Vishwas | December 2, 2025 10:24 PM CST

Often people ignore problems like itching in the body, fatigue or muscle weakness. But experts say that these signs often point to the deficiency of some vitamin or mineral. One of the major vitamins whose deficiency can cause constant itching and skin problems in the body is Vitamin B12.

What is Vitamin B12?
Vitamin B12, also known as cobalamin, is essential for the formation of red blood cells in the body, nerve health and brain function. This vitamin is mainly found in meat, eggs, dairy products and fortified foods.

Symptoms of Vitamin B12 Deficiency:

Itching and change in skin color:
Deficiency of Vitamin B12 causes skin to become dry and sensitive. Problems like itching, burning or red rashes may appear.

Fatigue and weakness:
B12 deficiency affects the amount of hemoglobin in the blood. Due to this, there is lack of oxygen in the body and the person feels tired throughout the day.

Headache and dizziness:
Due to lack of red blood cells in the blood, adequate oxygen does not reach the brain, which can cause headaches, dizziness and instability.

Weakness in muscles and nerves:
B12 regulates nerve function. Its deficiency can cause tingling, weakness or discomfort in hands and feet.

Effect on concentration and mental health:
Deficiency of this vitamin can reduce memory power and increase mental fatigue. In some cases, mood swings and depression may also occur.

How to overcome B12 deficiency:

Change in diet: Include meat, eggs, cheese, milk and fortified cereals in your diet.

Supplements: B12 supplements or injections can also be taken as per doctor’s advice.

Healthy lifestyle: Adequate sleep, stress control and regular exercise enhance the effects of B12.

Experts say that symptoms like itching, fatigue and muscle weakness should never be ignored. If these symptoms persist for a long time, consult a doctor.

Overall, Vitamin B12 is extremely important for the body. Its deficiency can cause problems in the skin, nerves, brain and muscles. This deficiency can be easily overcome with right diet, lifestyle and doctor’s advice.

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