Skin lesions associated with vitamin B12 deficiency are skin hyperpigmentation, vitiligo, angular stomatitis, and hair changes. Cutaneous lesions that do not respond to conventional therapy can be an indication of vitamin B12 deficiency. Malabsorption is the most common cause of vitamin B12 deficiency.
The allergy can be triggered by taking vitamin B12 supplements because B12 contains cobalt atoms. Cobalt allergies most often develop in people exposed to it in eye makeup, tattoos, or industrial products, causing an itchy, red, scaly rash.
The deficiency of vitamin B12 can cause specific skin manifestations, such as hyperpigmentation, vitiligo, angular stomatitis, and hair and nail changes [1].
Key points about vitamin B12 deficiency anemia
Without enough red blood cells, your tissues and organs don't get enough oxygen. Without enough oxygen, your body can't work as well. Symptoms include weak muscles, numbness, trouble walking, nausea, weight loss, irritability, fatigue, and increased heart rate.
High-dose vitamins B6 and B12 have also been linked to rosacea fulminans, a condition that looks like acne. Rosacea is marked by large red bumps and pustules that typically appear on the nose, chin, and/or cheeks.
Skin lesions associated with vitamin B12 deficiency are skin hyperpigmentation, vitiligo, angular stomatitis, and hair changes. Cutaneous lesions that do not respond to conventional therapy can be an indication of vitamin B12 deficiency. Malabsorption is the most common cause of vitamin B12 deficiency.
The expert added: “Your body can crave foods that are high in iron such as marmite, twiglets, milk, salmon, egg yolks, tuna, chicken and other meats. “These are all good sources of vitamin B12, so if your body is craving them, listen to it.”
Both vitamin B12 and vitamin A deficiencies may also cause itchy skin, so if you are experiencing chronically itchy skin, getting your level of these vitamins tested can be helpful. This testing will help determine whether these deficiencies are at the root of your skin sensitivities and itchiness.
Vitamin B12 deficiency anaemia is usually treated with injections of vitamin B12, called hydroxocobalamin. At first, you'll have these injections every other day for 2 weeks or until your symptoms have started improving.
The Bottom Line
The health benefits of B12 include supporting a healthy brain, a healthy nervous system, red blood cell production and DNA synthesis.
People may have a reddish purple rash of tiny dots or larger splotches, caused by bleeding from small blood vessels in the skin. If the liver function has been impaired for a long time, people may itch all over.
If vitamin B12 deficiency is left untreated, it can cause lasting side effects that affect the nervous system and brain. More severe side effects of vitamin B12 deficiency include: Peripheral neuropathy. Degeneration of the spinal cord.
Complications of vitamin B12 or folate deficiency anaemia
problems with the nervous system. temporary infertility. heart conditions. pregnancy complications and birth defects.
Vitamin B12 plays a crucial role in skin health by providing essential nutrients for collagen production and by helping to maintain the skin's natural moisture balance. Vitamin B12 also helps to promote healthy cell growth, which can help to reduce the appearance of wrinkles and other signs of aging [1].
Conditions affecting the stomach
Some stomach conditions or stomach operations can prevent the absorption of enough vitamin B12. For example, a gastrectomy, a surgical procedure where part of your stomach is removed, increases your risk of developing a vitamin B12 deficiency.
Vitamin B12 plays a vital role in hair growth. When the body lacks this essential nutrient, it can disrupt normal follicle function and cause excessive shedding. The good news is that recognising the symptoms of B12 deficiency early and treating it properly can help get your hair back on track.
Contrary to common assumptions, Vitamin B12 deficiency doesn't directly lead to weight gain. However, it can indirectly influence weight through its impact on energy metabolism. Insufficient B12 can lead to fatigue and weakness, which may reduce physical activity levels and, in turn, lead to weight gain.
Skin Regeneration
Vitamin B12 aids in the production of red blood cells, which are responsible for transporting oxygen to your tissues. This is key for skin regeneration—the process by which your skin repairs and renews itself. Healthy, oxygenated cells result in fresher, more vibrant skin.