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Biotin deficiency is very uncommon, but experiencing it can cause an array of side effects, including: hair thinning or loss, brittle nails, a red scaly rash (around the eyes, nose, and mouth), a ...
Signs of a biotin deficiency may appear gradually, per the NIH. In the later stages, a biotin deficiency can cause: Hair thinning. Hair loss. A scaly, red rash around orifices. Dry, red eyes ...
Discover what this essential B vitamin can do for your body and whether you need more in your diet.
Subclinical deficiency can cause mild symptoms, such as hair thinning, brittle fingernails, or skin rash, typically on the face. [2] [4] Aside from inadequate dietary intake (rare), biotin deficiency can be caused by a genetic disorder that affects biotin metabolism. The most common among these is biotinidase deficiency.
Pernicious anemia often presents slowly, and can cause harm insidiously and unnoticeably. Untreated, it can lead to neurological complications, and in serious cases, death. [19] The onset may be vague and slow and the condition can be confused with other conditions, and there may be few to many symptoms without anemia. [20]
Therefore, all patients receiving TPN must also receive biotin at the recommended daily dose, especially if TPN therapy is expected to last more than 1 week. All hospital pharmacies currently include biotin in TPN preparations. [2] Protein deficiency (not certain): A shortage of proteins involved in biotin homeostasis can cause biotin deficiency.
One important note: Excess biotin can also "cause incorrect results in certain laboratory tests that look at thyroid levels and blood markers that can help diagnose heart attacks," says Dr. Castillo.
Mutations in the HLCS gene cause holocarboxylase synthetase deficiency. The HLCS gene makes an enzyme, holocarboxylase synthetase, that attaches biotin to other molecules. Biotin, a B vitamin, is found in foods such as liver, egg yolks, and milk. It is essential for the normal production and breakdown of proteins, fats, and carbohydrates in the ...