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Long-Term Metformin Use And Vitamin B12 Deficiency

Metformin

Metformin is a medication commonly used to treat type 2 diabetes. It works by reducing the amount of glucose produced by the liver and increasing the body's sensitivity to insulin. While metformin is generally considered safe and effective, long-term use can lead to vitamin B12 deficiency.

What is Vitamin B12?

Vitamin B12

Vitamin B12 is an essential nutrient that plays a crucial role in the formation of red blood cells, DNA synthesis, and nervous system function. It is found naturally in animal products such as meat, fish, and dairy. Vegetarians and vegans are at a higher risk of developing vitamin B12 deficiency.

How Does Metformin Cause Vitamin B12 Deficiency?

Metformin And Vitamin B12 Deficiency

Research has shown that long-term use of metformin can lead to vitamin B12 deficiency. This is because metformin interferes with the absorption of vitamin B12 in the gut. Over time, this can lead to a deficiency in vitamin B12.

What Are the Symptoms of Vitamin B12 Deficiency?

Symptoms Of Vitamin B12 Deficiency

Vitamin B12 deficiency can cause a wide range of symptoms, including fatigue, weakness, numbness or tingling in the hands and feet, difficulty walking, memory loss, depression, and anemia. In severe cases, it can lead to irreversible nerve damage.

Who is at Risk of Vitamin B12 Deficiency?

Who Is At Risk Of Vitamin B12 Deficiency?

While anyone can develop vitamin B12 deficiency, certain groups are at a higher risk. These include people over the age of 50, vegetarians and vegans, people with gastrointestinal disorders such as celiac disease or Crohn's disease, and people who have had gastrointestinal surgery.

How Can Vitamin B12 Deficiency be Diagnosed?

Diagnosing Vitamin B12 Deficiency

Vitamin B12 deficiency can be diagnosed with a blood test that measures the level of vitamin B12 in the blood. In some cases, additional tests may be needed to determine the cause of the deficiency.

How Can Vitamin B12 Deficiency be Treated?

Treating Vitamin B12 Deficiency

The treatment for vitamin B12 deficiency depends on the severity of the deficiency. In mild cases, increasing the intake of vitamin B12 through diet or supplements may be sufficient. In more severe cases, vitamin B12 injections may be necessary.

What Can be Done to Prevent Vitamin B12 Deficiency?

Preventing Vitamin B12 Deficiency

There are several steps that can be taken to prevent vitamin B12 deficiency. These include increasing the intake of vitamin B12-rich foods such as meat, fish, and dairy, taking a vitamin B12 supplement, and getting regular blood tests to monitor vitamin B12 levels.

Conclusion

Vitamin B12 deficiency is a serious condition that can have a wide range of symptoms. While metformin is an effective medication for treating type 2 diabetes, long-term use can lead to vitamin B12 deficiency. It is important for people taking metformin to be aware of the risk of vitamin B12 deficiency and to take steps to prevent and treat it.

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