Symptoms of B12 Deficiency: Three Signs of a Dangerously Low Level of the Vitamin

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Anemia caused by vitamin B12 deficiency develops gradually. The body tries to adapt to the lower quality red blood cells, so the symptoms of the disease are usually mild.

Specialists from the leading global health company MSD said that the main symptoms of anemia include paleness, weakness and fatigue. However, there are three symptoms that indicate a dangerously low B12 level: dizziness, shortness of breath, and a fast heartbeat.

Since these symptoms are often confused with other illnesses, time is running out for a proper diagnosis. As a result, nerve damage can occur, which will make itself known by tingling or numbness of the limbs.

Such symptoms can negatively affect a person's mobility and ability to walk properly, doctors warned. Another consequence of a severe form of anemia is impaired mental function and the development of dementia.

A routine blood test will help detect B12 deficiency. To treat the condition, high doses of the vitamin are prescribed. After a course of therapy, the symptoms of anemia may disappear, but if nerve damage has occurred, the consequences may be irreversible.