Clinical Dermatology

Alopecia

What is it?

It's a common condition that affects both women and men, and it's described as premature hair loss, either partial or total , whether due to hereditary causes, pathological causes or drug use. Depending on its cause will be its presentation, evolution and appropriate treatment.

Types of Alopecia

It can be diffuse or localized, scarring or non-scarring. Here are some of the most frequent types:

Androgenic Alopecia:

It is the most common cause of alopecia, considered to be greater in males. Hair is lost in a well-defined pattern. Hair becomes thinner and then falls by hormonal influence.

Telogen effluvium:

It's caused by various physiological, pathological or drug factors. It usually manifests 3 to 6 months after the triggering event (pregnancy, intense emotional stress, severe diets, febrile illnesses, etc.). It can manifest with abundant hair loss at the time of the washing or brushing.

Alopecia Areata:

Presents a localized pattern, generally one or more circular bald patches. The cause is not known but it is related to autoimmune disorders and important psychological stress. Sometimes it can affect body hair in its entirety (rare).

Seborrheic dermatitis:

Commonly known as dandruff in its mild stages, is produced by a high fat production which can condition hair loss.

How do we treat it?

There are several treatments depending on the cause of alopecia. After a medical assessment, the doctor will indicate the most appropriate treatment according to the type of alopecia and may use various shampoos, hair lotions, steroid infiltration, dietary supplements, hormonal treatments, etc.

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