Diseases
biotin deficiency
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Overview
Biotin deficiency is usually characterized by alopecia and scaly erythematous dermatitis distributed around the body orifices, acidemia, aciduria, hearing and vision problems, and developmental delay in children. Biotin deficiency may also cause paresthesias, myalgias, and mild depression.
Symptoms
- hair loss
- loss of appetite
- dry scaly skin
- cracking in the corners of the mouth
- swollen and painful tongue that is magenta in color (glossitis)
Causes
- medications. certain medicines may prevent your body from absorbing vitamins correctly.
- intravenous (iv) feeding. if you receive your nutrition from an iv or tube, you can develop a b-7 deficiency.
Risk factors
- malnutrition
- chronic alcohol use
Diagnosis
- blood test.
- physical exam
- signs and symptoms
Medicines used
Frequently asked questions
What is biotin deficiency?
Biotin deficiency is usually characterized by alopecia and scaly erythematous dermatitis distributed around the body orifices, acidemia, aciduria, hearing and vision problems, and developmental delay in children. Biotin deficiency may also cause paresthesias, myalgias, and mild depression.
What are the symptoms of biotin deficiency?
hair loss, loss of appetite, dry scaly skin, cracking in the corners of the mouth, swollen and painful tongue that is magenta in color (glossitis)
What causes biotin deficiency?
medications. certain medicines may prevent your body from absorbing vitamins correctly.; intravenous (iv) feeding. if you receive your nutrition from an iv or tube, you can develop a b-7 deficiency.
Which medicines are used for biotin deficiency?
biotin
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