Alopecia Idiopathic

Disease information

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Alopecia Idiopathic
Alopecia idiopathic.

It is the loss of hair, in the absence of any other skin disorder or disease generally appreciable.

Can be affected any hairy area, being more common in the scalp and beard.

In rare cases it can be to lose all body hair (alopecia universalis)



Signs and symptoms.

Sudden loss of hair in clearly defined areas.

It does not cause pain.

It does not cause itching.

Risk Factors.




The diagnosis is done by inspection, although it may be necessary to perform additional tests, especially blood tests to rule out a secondary alopecia (due to general or systemic diseases)

It must also be distinguished from those secondary to skin disorders, such as tubs (fungal diseases of the skin) which is different because in the latter there is an active inflammatory edge, which is growing, and because it is not that they do not appear hair, but they grow weak and breaks. In addition, the hair loss caused by skin disorders tend to sting.

General Measures.

Bathe and wash your hair as normal: it is not a contagious disorder.

Avoid pulling on her hair normal areas close to hair loss.


Apply for topical steroids once or twice a day (unless you are instructed otherwise) The application is ideal after bathing or washing the head. This facilitates the implementation and increases its penetration. Use only non - steroidal fluorinated products for the scalp and groin.

In special cases, steroid injections may be used in affected areas and oral medication with cortisone. The minoxidil (or their derivatives newer) topical (medication prescribed for hair growth) may be of assistance, but is very expensive and not always effective.

Injections of triamcinolone on the scalp can be useful in some cases.

Can be recommended the Photochemotherapy.

Diagnosis and Treatment.

Loss of all body hair (alopecia universalis)

Hair growth slow or incomplete.


Usually reversible, with spontaneous new growth during a period of one to three years.

You can expect a change in people with total areas of hair loss small.

Reappears in 25% of cases.

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