Vitamin b12 deficiency: The ‘mild’ sensation in the feet that can signal low B12 levels

Doctor lists symptoms of vitamin B12 deficiency

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The importance of getting sufficient B12 is apparent in the impact it has on the body. It helps to make red blood cells and underpins the nervous system. When these areas do not get the B12 they need to thrive, the body starts to malfunction.

Case reports of patients who have low B12 levels paint a sinister picture.

In one case report, a 28 year-old sub-Saharan female presented with “mild weakness” in the hands and feet.

She also experienced insomnia, irritability and constipation.

It is worth noting that the neurological symptoms associated with B12 can also signal common illnesses.

These include HIV infection, diabetes, syphilis, alcoholism, and some medications, thus posing a diagnostic challenge.

Still, it is vital to see a GP if you experience any of the symptoms of B12.

“These conditions can often be diagnosed based on your symptoms and the results of a blood test,” explains the NHS.

It’s doubly important for vitamin B12 deficiency to be diagnosed and treated as soon as possible.

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“Although many of the symptoms improve with treatment, some problems caused by the condition can be irreversible if left untreated,” warns the NHS.

“The longer the condition goes untreated, the higher the chance of permanent damage.”

What causes low B12?

Pernicious anaemia and diet are the two key drivers of B12 deficiency.

The former is the most common cause of vitamin B12 deficiency in the UK.

Pernicious anaemia is an autoimmune condition whereby your immune system attacks the cells in your stomach that produce the intrinsic factor; a protein that enables your body to absorb vitamin B12.

Some people can develop a vitamin B12 deficiency as a result of not getting enough vitamin B12 from their diet.

Vitamin B12 is naturally found in animal products such as meat and dairy, so vegans and vegetarians are at risk of low intake.

According to Holland and Barrett, the richest sources of B12 are animal-based, including:

• Meat and liver
• Fish
• Clams
• Milk and dairy products
• Eggs.

How to treat low B12

The treatment for vitamin B12 deficiency depends on what’s causing the condition.

Most people can be easily treated with injections or tablets to replace the missing vitamins.

Vitamin B12 deficiency anaemia is usually treated with injections of vitamin B12.

There are two types of vitamin B12 injections:

• Hydroxocobalamin
• Cyanocobalamin.

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