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Vitamin B12 occurs when the person does not consume enough vitamin B12 from their food. Vitamin B12 is essential for the production of healthy red blood cells and nerve staining. If a person lacks vitamin B12, this can lead to deficiency of red blood cells in the body and damaged nerves. Vegans and vegetarians may be at risk of vitamin B12 deficiency because most foods rich in vitamin B12 are of animal origin. Some medical conditions may also affect the absorption of B12 by foods, such as pernicious anemia.
If vitamin B12 deficiency is not treated, serious problems can occur, affecting a person's movements, vision and memory.
A person deficient in vitamin B12 may also present an increased risk of infertility and stomach cancer.
To avoid these long-term complications, it is important to recognize the signs of vitamin B12 deficiency.
The symptoms of migraine are a symptom to watch for. Advocacy with thyroid patients indicates exactly what to watch for.
According to her, migraines "may be preceded by a temporary blind spot in the center of the field of vision, lasting about ten minutes, and sometimes followed by facial pain under the eyes."
"After the disappearance of the blind spot, there may be zigzag streaks in the vision that can last for several hours," he adds.
"Even in the same person, there can be extreme variations in the headaches themselves.
"They can be quite severe with nausea or they can be virtually nonexistent."
But how can this be a migraine if there is hardly any pain?
"Doctors say it's a migraine if the visual problems described occur, whether there is significant pain or not."
Other symptoms of vitamin B12 deficiency
Bupa lists five other symptoms of the disease to watch for:
- Feeling very tired
- Shortness of breath even after a little exercise
- Heart palpitations
- Reduce appetite
- A painful mouth and tongue
Treatment of vitamin B12 deficiency
If a person does not consume enough vitamin B12, they may be advised by a general practitioner to eat more vitamin B12 fortified foods or to take supplements regularly.
Vitamin B12 injections may also be recommended, and for people suffering from pernicious anemia, injections may be needed for the rest of their lives.
Experts say that adults aged 19 to 64 need about 1.5 micrograms (mg) of vitamin B12 a day and that, except in case of pernicious anemia, you should be able to get some in your diet.
If vitamin B12 deficiency is caused by B12 deficiency in the diet, Harvard Health Publishing, part of Harvard Medical School, offers the "B12 Food List" on its website.
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