Vitamin B6 deficiency (Q39922): Difference between revisions
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A deficiência de vitamina B6 isolada é incomum, pois, geralmente ocorre associada a déficit de outras vitaminas do complexo B. A hipovitaminose B6 costuma ocorrer com a deficiência de riboflavina (vitamina B2). Os sintomas clínicos clássicos da deficiência de vitamina B6 são dermatite seborreica, anemia microcítica, convulsõe , depressão e confusão. Os bebês são especialmente suscetíveis à ingestão insuficiente, o que pode levar a convulsões epileptiformes. Além disso, geralmente há uma diminuição nos linfócitos circulantes e, às vezes, uma anemia normocítica, microcítica ou sideroblástica. Como no caso de outras deficiências de micronutrientes, a deficiência de vitamina B6 resulta em um comprometimento do sistema imunológico. Várias condições médicas também podem afetar o metabolismo da vitamina B6 e, portanto, levar a sintomas de deficiência. | |||
| description / en | description / en | ||
A deficiency of vitamin B6 alone is uncommon because it usually occurs in association with a deficit in other B-complex vitamins. Hypovitaminosis B6 may often occur with riboflavin (vitamin B2) deficiency. The classical clinical symptoms of vitamin B6 deficiency are a seborrheic dermatitis, microcytic anaemia, epileptiform convulsions, and depression and confusion. Infants are especially susceptible to insufficient intakes, which can lead to epileptiform convulsions. Moreover, there is usually a decrease in circulating lymphocytes and sometimes a normocytic, microcytic, or sideroblastic anaemia as well. As is the case with other micronutrient deficiencies, vitamin B6 deficiency results in an impairment of the immune system. Several medical conditions can also affect vitamin B6 metabolism and thus lead to deficiency symptoms. | |||
Revision as of 05:31, 13 August 2026
A deficiency of vitamin B6 alone is uncommon because it usually occurs in association with a deficit in other B-complex vitamins. Hypovitaminosis B6 may often occur with riboflavin (vitamin B2) deficiency. The classical clinical symptoms of vitamin B6 deficiency are a seborrheic dermatitis, microcytic anaemia, epileptiform convulsions, and depression and confusion. Infants are especially susceptible to insufficient intakes, which can lead to epileptiform convulsions. Moreover, there is usually a decrease in circulating lymphocytes and sometimes a normocytic, microcytic, or sideroblastic anaemia as well. As is the case with other micronutrient deficiencies, vitamin B6 deficiency results in an impairment of the immune system. Several medical conditions can also affect vitamin B6 metabolism and thus lead to deficiency symptoms.
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | 5B5D |
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| English | Vitamin B6 deficiency |
A deficiency of vitamin B6 alone is uncommon because it usually occurs in association with a deficit in other B-complex vitamins. Hypovitaminosis B6 may often occur with riboflavin (vitamin B2) deficiency. The classical clinical symptoms of vitamin B6 deficiency are a seborrheic dermatitis, microcytic anaemia, epileptiform convulsions, and depression and confusion. Infants are especially susceptible to insufficient intakes, which can lead to epileptiform convulsions. Moreover, there is usually a decrease in circulating lymphocytes and sometimes a normocytic, microcytic, or sideroblastic anaemia as well. As is the case with other micronutrient deficiencies, vitamin B6 deficiency results in an impairment of the immune system. Several medical conditions can also affect vitamin B6 metabolism and thus lead to deficiency symptoms. |
