Doctor insights on:
Does Vitamin B12 Deficiency Cause Hair Loss
Hair loss, otherwise known as alopecia, can be caused by different reasons, including damage to the hair shaft or follicles or fungal infections. There are two main types of alopecia. Alopecia areata occurs when the body's immune system attacks hair follicles and causes hair to fall out. Androgenetic (or androgenic) alopecia, on the other hand, is an inherited form of hair loss. With alopecia areata, hair can fall out in patches all over the body. With androgenetic alopecia, hair on the head first thins and then falls out. In men, this is called male pattern hair loss; in women, it is called ...Read more
In short - YES: Hair loss / thinning due to vitamin B12 deficiency can sometimes be treated by taking oral b-complex vitamins. However, there are instances where you may need injections of vitamin B12 (usually given monthly). It depends on the reason you have developed the vitamin deficiency. Is it because of a vegetarian diet? Or is it due to some intestinal malabsorption problem? Best to check with your doctor ...Read more
How to check vitamin dificiency for hair loss ? Which vitamin difeciency cause very weak hair and hair loss ?
Seldom the cause: Despite all the "pop" stuff you'll find on the internet, vitamin deficiency is seldom the cause of hair loss. People are just trying to sell you stuff. An inexpensive multiple vitamin daily is usually more than enough if you're eating sensibly. Look for some other cause -- male pattern baldness, hypothyroidism, alopecia areata, seborrhea, fungus, telogen effluvium. ...Read more
Doubtful: Vitamin D's main action is on the bones and blood calcium levels. It also has effects on other systems which are being studied but severe effects on the skin and hair have not been described. Even if your D level is a bit low I would check with a dermatologist to see if something else may be going on ...Read more
Yes: In the early 19th century, scientists noted weakness and numbness with B12 deficiency. Recently, B12 has been shown to upregulate neurotrophic factors (chemicals [cytokines] that help nerve cells grow) & downregulate neurotoxic factors (chemicals that break down nerve cells). In other words, B12 helps nerve cells grow and prevents their destruction by naturally occurring brain chemicals. ...Read moreSee 1 more doctor answer
Required by nerves: This co-factor is needed by the nerves to stay healthy. Each nerve cell has a self repair system that relies on a variety of nutrients in our diet to provide the needed material to keep the walls intact and the cell working. Lack of B12 eventually causes that repair system to start breaking down and nerve cells malfunction or degenerate, leading to neurologic symptoms. ...Read moreSee 1 more doctor answer
Why do you ask?: Nowadays, vitamin deficiency is only a rare cause of hair loss. If you make this assumption based on a charlatan's website, you'll end up buying something that won't work, and if you complain, you'll be told it was your fault. Biotin deficiency sufficient to cause hair loss is hard to get. Get with a competent physician if hair loss is a concern. ...Read more
Doe vitamin B12 deficiency (due to tropical sprue) can cause hair loss at hairline??? And is this type of hair loss is reversible???
Hairloss: Since the growth of hair requires several things including nutrition, vitamins and hormones, having tropical sprue would definitely cause your body to be stressed thus possibly lead to some hair loss. This type of hair loss is known as telogen effluvium. Usually will resolve when the underlying problem is taken care of. ...Read more
Yes.: Pernicious anemia is the most common reason for unexpected B12 deficiency. Lack of B12 can cause both anemia and neurological damage. The latter includes numbness, gait problems, and dementia. The neurological findings can occur before there is any anemia, or vice versa. The anemia will reverse with treatment. The neurologic problems may not correct completely with B12 treatment. ...Read more
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