Hair loss in circles

Circular hair loss (Alopecia areata) is the complete loss of hair in one or more areas of the body and generally in different shaped areas of the scalp. It affects 0.1% to 0.2% of the population and can occur in adults and children, even in healthy people. It is an autoimmune hair disease. Light form with the appearance of hairless areas.

Alopecia: Circle-like Lesions of Hair Loss

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Hair loss in circles

Circular hair loss (Alopecia areata) is the complete loss of hair in one or more areas of the body and generally in different shaped areas of the scalp. It affects 0.1% to 0.2% of the population and can occur in adults and children, even in healthy people. It is an autoimmune hair disease. Light form with the appearance of hairless areas. It begins with the appearance of small areas with hair falling out, which gradually bond together and form larger areas. The skin in the field is smooth, pale and glassy, ​​not a single hair. It can spread to the entire scalp in 1-2% of cases, this is called a condition. Autoimmune hair disease. It develops and manifests just like alopecia areata, but much more aggressively, it ends with intense hair loss and results in complete hair loss.

Alopecia universalis is hair loss on the scalp and throughout the body.

It is more common in people with a family history of this type of hair loss. Up to 25% of people with alopecia areata have a family history of inherited factors. Studies show that there are at least 4 regions in the genome that may contain alopecia areata genes.

It is also more likely to occur in people with a history of autoimmune diseases such as asthma, allergies, atopic dermatitis, hypothyroidism. Alopecia areata is also thought to be an autoimmune disorder in which the body attacks its own hair follicles and suppresses or inhibits hair growth. T-lymphocytes from the immune system accumulate around the affected follicles and cause inflammation, impaired circulation and reduced nutrition at the hair root. Affected follicles shrink, greatly slowing hair function and production. There may be no visible hair above the hair surface for months or years. The scalp is usually a site of preference, but the chin or other hairy parts of the body may also be affected.

There is evidence to suggest that alopecia areata affects the part of the follicle associated with hair color. Hair that turns gray will not be affected.
Causes and symptoms of the area (hair loss in flats).

The reasons for this decline are the following several factors: stress, allergic reaction, bacterial and viral infection, genetic predisposition, prolonged chemical exposure and even physical trauma.

Typical initial symptoms are small, bare hairless areas. They can be of different shapes and are usually round or oval. The skin is unscathed and appears normal on the surface, but there are yellow patches that clog the pores of the hair. You may feel pain or stinging, a condition called trichodynia. They are most common on the scalp and chin, but can occur on any hairy part of the body. Hair loss is usually intense and more pronounced on one side of the scalp. Feathers have a distorted morphology and take on the appearance of an exclamation point. They are easy to remove. Nail changes and defects also occur.

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