It Is a type of hair loss or baldness characterized by patchy hair loss. In some cases, total baldness develops. In many cases, the hair re-grows, typically after several months. In some cases, the hair loss is permanent. It is an autoimmune disorder where the disordered immune system of the patient attacks the hair follicle of its own.
The exact cause of trichotillomania isn't known. It may be related to an imbalance of certain brain chemicals. Stress may also play a role. Some people with trichotillomania may also have depression or anxiety Trichotillomania is slightly more likely if it runs in your family
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