Alopecia areata causes and its symptoms and treatment Is the sudden loss of hair in any area of the skin made up a small spot or more specific sizes up for a few centimeters. And is one of the diseases of an autoimmune disorder. Alopecia areata and hit the genders in equal proportions. And affects all ages but is most prevalent in children and young people. Causes of alopecia areata: There are some beliefs that Alopecia Areata is caused by an infectious disease or some types of food, but these beliefs are incorrect. Many theories explain the occurrence of alopecia, such as the existence of genetic factors, exposure to severe psychological stress, exposure to head injury, given the presence of disturbances. But research has stabilized alopecia areata that the disorder is the result of the immune system of self of the body, where the body's immune system begins attacking its members. The cause of alopecia disturbance in the immune system's own body is considered to hair follicles foreign objects from the body and begins to attack it and get rid of them and thus hair loss. Symptoms of alopecia areata: Alopecia areata appears as a spot or several small spots in the skin completely free of hair. And the patches are uneven in size and is not increasing in size from a few centimeters. And more places involved are the scalp, but can also occur on the chin, mustache, eyebrows, or eyelashes. And the skin is infected at the spot perfectly normal, there is no inflammation or by any peel or itch. Therefore, we find that the majority of cases discovered by chance because only offer is the loss of hair. Alopecia areata and consists of three phases: - Phase I: sudden total loss of hair in a specific spot of the skin. - Second phase: widening the size of that spot. - The third stage: the growth of new hair in the affected spot. And sometimes the new hair white or gray color in the beginning and then become like the rest of the hair later. And we find in some cases, re-growth of hair in a specific spot and at the same time, loss of hair in the other spot. And there are prospects for alopecia areata recurrence more than once. In about 5% of cases, kidney loss occurs to the scalp and hair is what is called PAL Alopecia totalis. And in about less than 1% of cases may occur for hair loss kidney and whole body is what is called PAL Alopecia universal. Treatment of alopecia areata: Often hair grows back again without the use of any treatment, but be slow. Therefore, therapy is used to speed up the re-growth of hair. And as the autoimmune disease alopecia Therefore, the treatment depends on the weakening of the immune system. And the remedy is to: Cortisone: in the form of a topical cream or by injection into the scalp, or tablets by mouth. 5% minoxidil: for topical use twice a day. Anthralin: used for a period of 20-60 minutes and then wash the skin. Usually the hair grows again during the 8-12 week treatment.